4(3-7a)=152

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Solution for 4(3-7a)=152 equation: 



4(3-7a)=152

We move all terms to the left:

4(3-7a)-(152)=0

We add all the numbers together, and all the variables

4(-7a+3)-152=0

We multiply parentheses

-28a+12-152=0

We add all the numbers together, and all the variables

-28a-140=0

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

-28a=140

a=140/-28

a=-5

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