4x+21=6x-18

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Solution for 4x+21=6x-18 equation: 



4x+21=6x-18

We move all terms to the left:

4x+21-(6x-18)=0

We get rid of parentheses

4x-6x+18+21=0

We add all the numbers together, and all the variables

-2x+39=0

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

-2x=-39

x=-39/-2

x=19+1/2

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