4(7-x)=20.

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Solution for 4(7-x)=20. equation: 



4(7-x)=20.

We move all terms to the left:

4(7-x)-(20.)=0

We add all the numbers together, and all the variables

4(-1x+7)-20=0

We multiply parentheses

-4x+28-20=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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