21.3=-12.6-4.5x

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Solution for 21.3=-12.6-4.5x equation: 



21.3=-12.6-4.5x

We move all terms to the left:

21.3-(-12.6-4.5x)=0

We add all the numbers together, and all the variables

-(-4.5x-12.6)+21.3=0

We get rid of parentheses

4.5x+12.6+21.3=0

We add all the numbers together, and all the variables

4.5x+33.9=0

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

4.5x=-33.9

x=-33.9/4.5

x=-7+1/1.875

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