SOLUTION: I need help with this problem: 3a/7=-2/5 It's a proportion.

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Question 231485: I need help with this problem: 3a/7=-2/5
It's a proportion.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3a/7=-2/5
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Cross multiply
3a*5 = 7*-2
15a = -14
a = -14/15