Solve. 5(c+7) = 40
c = 1
-5(3a - 6) = 75
a = -3
5x - 7x = 18.
x = -9
-2(5 - 12) + 3
17
-6a + a - 4 = 16
a = -4
10 − 3(10b + 10) + 5b
−25b − 20
4 - 3(2x - 5) = -5
x = 4
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