3=4a-7

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Solution for 3=4a-7 equation: 



3=4a-7

We move all terms to the left:

3-(4a-7)=0

We get rid of parentheses

-4a+7+3=0

We add all the numbers together, and all the variables

-4a+10=0

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

-4a=-10

a=-10/-4

a=2+1/2

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