a+7=4a-5=

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Solution for a+7=4a-5= equation: 



a+7=4a-5=

We move all terms to the left:

a+7-(4a-5)=0

We get rid of parentheses

a-4a+5+7=0

We add all the numbers together, and all the variables

-3a+12=0

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

-3a=-12

a=-12/-3

a=+4

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