SOLUTION: 79=-3(-4a-3)-2a

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Question 792056: 79=-3(-4a-3)-2a
Answer by waynest(281) About Me  (Show Source):
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79 = -3(-4a - 3) - 2a
79 = 12a + 9 - 2a
79 = 10a + 9
79 - 9 = 10a + 9 - 9
70 = 10a
70/10 = 10a/10
7 = a
check:
79 = -3(-4(7) -3) - 2(7)
79 = -3(-28 - 3) - 14
79 = -3(-31) - 14
79 = 93 - 14
79 = 79