3(x+7)=4x+20

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Solution for 3(x+7)=4x+20 equation: 



3(x+7)=4x+20

We move all terms to the left:

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

We multiply parentheses

3x-(4x+20)+21=0

We get rid of parentheses

3x-4x-20+21=0

We add all the numbers together, and all the variables

-1x+1=0

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

-x=-1

x=-1/-1

x=1

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