a*5+7=15

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Solution for a*5+7=15 equation: 



a*5+7=15

We move all terms to the left:

a*5+7-(15)=0

We add all the numbers together, and all the variables

a*5-8=0

Wy multiply elements

5a-8=0

We move all terms containing a to the left, all other terms to the right

5a=8

a=8/5

a=1+3/5

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