(2x-1)=-21

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



(2x-1)=-21

We move all terms to the left:

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

We add all the numbers together, and all the variables

(2x-1)+21=0

We get rid of parentheses

2x-1+21=0

We add all the numbers together, and all the variables

2x+20=0

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

2x=-20

x=-20/2

x=-10

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