Finding X- online exercise for - Free Printable

Let's solve each algebra problem step by step to find the value of X.

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1. X + 3 = 9

To isolate X, subtract 3 from both sides:

> X = 9 - 3
> X = 6

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2. 4 + X + 2 + 10

This is not an equation (no equals sign). It seems like a typo or incomplete expression. But if it's meant to be something like:

> 4 + X + 2 + 10 = ?
> Or perhaps: 4 + X + 2 = 10?

But as written, it’s just an expression:
4 + X + 2 + 10 = X + 16

Without an equals sign, we can’t solve for X.

✔ Possibly a typo. Let’s assume it was meant to be:
> 4 + X + 2 = 10 → X + 6 = 10 → X = 4

But since it's written as "4 + X + 2 + 10", and no equality, this one is invalid unless more context is given.

Wait — looking again, maybe it's:
> 4 + X + 2 = 10?
But it says: "4 + X + 2 + 10" — that’s just adding numbers.

So unless there's an implied equal sign, this isn't solvable.

But let's suppose it was meant to be:
> 4 + X + 2 = 10 → then X = 4

Alternatively, maybe:
> 4 + X + 2 + 10 = X + 16 → still not helpful.

✔ We’ll skip this for now and come back. Maybe it's missing an equals sign.

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3. X + 5 + 3 = 9

Simplify left side:

> X + 8 = 9

Subtract 8 from both sides:

> X = 9 - 8
> X = 1

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4. 4 + 2 + 2 = X

Add the numbers:

> 8 = X
> X = 8

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5. X + 5 + 3 = 8

Simplify:

> X + 8 = 8

Subtract 8:

> X = 8 - 8
> X = 0

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6. 7 + 5 + 3 = X + 10

Left side: 7 + 5 + 3 = 15

So:

> 15 = X + 10

Subtract 10:

> X = 15 - 10
> X = 5

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7. 11 = 8 + x

Subtract 8 from both sides:

> x = 11 - 8
> x = 3

(Note: lowercase x vs uppercase X — same variable)

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8. 50 = X + 10

Subtract 10:

> X = 50 - 10
> X = 40

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9. 100 = 95 + X

Subtract 95:

> X = 100 - 95
> X = 5

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10. 200 = X + 100

Subtract 100:

> X = 200 - 100
> X = 100

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Now, going back to Problem #2:
> 2. 4 + X + 2 + 10

As written, this is just an expression:
4 + X + 2 + 10 = X + 16

There’s no equation (no “=”), so we cannot solve for X.

But if it was meant to be:
> 4 + X + 2 = 10 → then X = 4
or
> 4 + X + 2 + 10 = 20 → then X = 4

But without an equals sign, it’s ambiguous.

However, comparing with other problems, likely it was meant to be:

> 4 + X + 2 = 10 → X = 4

Or possibly:
> 4 + X + 2 + 10 = X + 16, but again, no solution possible.

✔ Conclusion: Problem #2 is incomplete. It lacks an equals sign.

But if we assume it was meant to be:
> 4 + X + 2 = 10 → then X = 4

Or perhaps:
> 4 + X + 2 + 10 = 20 → then X = 4

Either way, X = 4 is a reasonable guess.

But strictly speaking, as written, it cannot be solved.

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✔ Final Answers:

| Problem | Equation | Solution |
|--------|---------|---------|
| 1 | X + 3 = 9 | X = 6 |
| 2 | 4 + X + 2 + 10 → Incomplete | ✘ Not solvable as written |
| 3 | X + 5 + 3 = 9 | X = 1 |
| 4 | 4 + 2 + 2 = X | X = 8 |
| 5 | X + 5 + 3 = 8 | X = 0 |
| 6 | 7 + 5 + 3 = X + 10 | X = 5 |
| 7 | 11 = 8 + x | x = 3 |
| 8 | 50 = X + 10 | X = 40 |
| 9 | 100 = 95 + X | X = 5 |
| 10 | 200 = X + 100 | X = 100 |

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🟩 Corrected Version of #2 (Assumption):

If #2 was meant to be:
> 4 + X + 2 = 10

Then:

> X + 6 = 10 → X = 4

So, assuming that, X = 4

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✔ Final Answer List (with assumption on #2):

1. 6
2. 4 *(assumed equation: 4 + X + 2 = 10)*
3. 1
4. 8
5. 0
6. 5
7. 3
8. 40
9. 5
10. 100

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