7X = -5X + 24
add 5X to each side
12X = 24
divide both sides by 12
X = 2
check
7(2) =-5(2) + 24
14 = 14
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7x + 8 = 5x + 327x = 5x + 242x = 24x = 12hope this helps
x=12
5x + 17 = 7x - 123 123 + 17 = 7x - 5x 140 = 2x x = 140 ÷ 2 x = 70
many solutions
7x = 21 x = 3