2(7-x)=28

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Solution for 2(7-x)=28 equation: 



2(7-x)=28

We move all terms to the left:

2(7-x)-(28)=0

We add all the numbers together, and all the variables

2(-1x+7)-28=0

We multiply parentheses

-2x+14-28=0

We add all the numbers together, and all the variables

-2x-14=0

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

-2x=14

x=14/-2

x=-7

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