2(7-a)=4

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Solution for 2(7-a)=4 equation: 



2(7-a)=4

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(-1a+7)-4=0

We multiply parentheses

-2a+14-4=0

We add all the numbers together, and all the variables

-2a+10=0

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

-2a=-10

a=-10/-2

a=+5

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