3a+7=4a+2=

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Solution for 3a+7=4a+2= equation: 



3a+7=4a+2=

We move all terms to the left:

3a+7-(4a+2)=0

We get rid of parentheses

3a-4a-2+7=0

We add all the numbers together, and all the variables

-1a+5=0

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

-a=-5

a=-5/-1

a=+5

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