SOLUTION: 4(3a+32)-3a+9=47

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Question 696857: 4(3a+32)-3a+9=47
Answer by algebrahouse.com(1659) About Me  (Show Source):
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4(3a + 32) - 3a + 9 = 47
12a + 128 - 3a + 9 = 47 {used distributive property}
9a + 137 = 47 {combined like terms}
9a = -90 {subtracted 137 from each side}
a = -10 {divided each side by 9}

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