Answer:
-35
Explanation:
15(x-7) + 4 = 10(x-7) +4
15x + 105 + 4 = 10x -70 + 4
15x + 109 = 10x - 66
-10x + 109 = -66
5x+ 109 = -66
-109 = -109
5x = -175
divide -175 by 5
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