SOLUTION: 7a=2(a-10)

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Question 293020: 7a=2(a-10)
Answer by texttutoring(324) About Me  (Show Source):
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First distribute the right side:
7a = 2a-20

Now subtract 2a from both sides:

7a-2a = -20
5a=-20

Now divide both sides by 5
a = -20/5
a=-4