-13(4+2a)=20

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Solution for -13(4+2a)=20 equation: 



-13(4+2a)=20

We move all terms to the left:

-13(4+2a)-(20)=0

We add all the numbers together, and all the variables

-13(2a+4)-20=0

We multiply parentheses

-26a-52-20=0

We add all the numbers together, and all the variables

-26a-72=0

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

-26a=72

a=72/-26

a=-2+10/13

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