4(-1+2x)=-20

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Solution for 4(-1+2x)=-20 equation: 



4(-1+2x)=-20

We move all terms to the left:

4(-1+2x)-(-20)=0

We add all the numbers together, and all the variables

4(2x-1)-(-20)=0

We add all the numbers together, and all the variables

4(2x-1)+20=0

We multiply parentheses

8x-4+20=0

We add all the numbers together, and all the variables

8x+16=0

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

8x=-16

x=-16/8

x=-2

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