x-20=4(2x+3)-4

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Solution for x-20=4(2x+3)-4 equation: 



x-20=4(2x+3)-4

We move all terms to the left:

x-20-(4(2x+3)-4)=0



We calculate terms in parentheses: -(4(2x+3)-4), so:

4(2x+3)-4

We multiply parentheses

8x+12-4

We add all the numbers together, and all the variables

8x+8

Back to the equation:

-(8x+8)



We get rid of parentheses

x-8x-8-20=0

We add all the numbers together, and all the variables

-7x-28=0

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

-7x=28

x=28/-7

x=-4

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