7(1-2x)=-21

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Solution for 7(1-2x)=-21 equation: 



7(1-2x)=-21

We move all terms to the left:

7(1-2x)-(-21)=0

We add all the numbers together, and all the variables

7(-2x+1)-(-21)=0

We add all the numbers together, and all the variables

7(-2x+1)+21=0

We multiply parentheses

-14x+7+21=0

We add all the numbers together, and all the variables

-14x+28=0

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

-14x=-28

x=-28/-14

x=+2

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