SOLUTION: 4-7a=25 for a = 25

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Question 296671: 4-7a=25 for a = 25
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4-7a=25
-7a=25-4
-7a=21
a=21/-7
a=-3 ans.
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for a = 25
4-7*25=25
4-175=25
-171=25 what's this?