3(-2x+1)=-21

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Solution for 3(-2x+1)=-21 equation: 



3(-2x+1)=-21

We move all terms to the left:

3(-2x+1)-(-21)=0

We add all the numbers together, and all the variables

3(-2x+1)+21=0

We multiply parentheses

-6x+3+21=0

We add all the numbers together, and all the variables

-6x+24=0

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

-6x=-24

x=-24/-6

x=+4

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