3x-54=-21x

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Solution for 3x-54=-21x equation: 



3x-54=-21x

We move all terms to the left:

3x-54-(-21x)=0

We get rid of parentheses

3x+21x-54=0

We add all the numbers together, and all the variables

24x-54=0

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

24x=54

x=54/24

x=2+1/4

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