Solve each system by substitution: 1) y = 7x - 10, y = -3; 2) y = -8, y = -2x - 12; 3) y = 6x, y = 5x + 7; 4) y = 9x - 9, y = 9.
Math worksheet from Dar Al Hanan Educational Schools, featuring four systems of equations to solve by substitution.
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ID: #593833