-13a - 30
Work Step by Step
3(a - 1) - 2(3a - 4) - 5(2a + 7) = Use the distributive property to remove parenthesis: 3a - 3 - 6a + 8 - 10a - 35 = Group similar terms. (3a - 6a - 10a) + (-3 + 8 - 35) = Simplify. -13a - 30
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