.5x+18=30-x

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Solution for .5x+18=30-x equation: 



.5x+18=30-x

We move all terms to the left:

.5x+18-(30-x)=0

We add all the numbers together, and all the variables

.5x-(-1x+30)+18=0

We get rid of parentheses

.5x+1x-30+18=0

We add all the numbers together, and all the variables

1.5x-12=0

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

1.5x=12

x=12/1.5

x=8

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