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Substituting x = 7 into the algebraic expression (x² + x) / (2x + 2) to evaluate the expression.

A mathematical equation showing the substitution of x = 7 into the expression (x² + x) / (2x + 2), resulting in (49 + 7) / (14 + 2), with a number line above indicating x = 7.

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(view all simplifying rational expressions)