-21x+45=-3x+27

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Solution for -21x+45=-3x+27 equation: 



-21x+45=-3x+27

We move all terms to the left:

-21x+45-(-3x+27)=0

We get rid of parentheses

-21x+3x-27+45=0

We add all the numbers together, and all the variables

-18x+18=0

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

-18x=-18

x=-18/-18

x=1

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