20=4(2+x)

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Solution for 20=4(2+x) equation: 



20=4(2+x)

We move all terms to the left:

20-(4(2+x))=0

We add all the numbers together, and all the variables

-(4(x+2))+20=0



We calculate terms in parentheses: -(4(x+2)), so:

4(x+2)

We multiply parentheses

4x+8

Back to the equation:

-(4x+8)



We get rid of parentheses

-4x-8+20=0

We add all the numbers together, and all the variables

-4x+12=0

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

-4x=-12

x=-12/-4

x=+3

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