4(x+20)=28

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Solution for 4(x+20)=28 equation: 



4(x+20)=28

We move all terms to the left:

4(x+20)-(28)=0

We multiply parentheses

4x+80-28=0

We add all the numbers together, and all the variables

4x+52=0

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

4x=-52

x=-52/4

x=-13

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