-1.5x+21=0.5x-3

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Solution for -1.5x+21=0.5x-3 equation: 



-1.5x+21=0.5x-3

We move all terms to the left:

-1.5x+21-(0.5x-3)=0

We get rid of parentheses

-1.5x-0.5x+3+21=0

We add all the numbers together, and all the variables

-2x+24=0

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

-2x=-24

x=-24/-2

x=+12

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