0.5(x-42)=9+8x

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Solution for 0.5(x-42)=9+8x equation: 



0.5(x-42)=9+8x

We move all terms to the left:

0.5(x-42)-(9+8x)=0

We add all the numbers together, and all the variables

0.5(x-42)-(8x+9)=0

We multiply parentheses

0.5x-(8x+9)-21=0

We get rid of parentheses

0.5x-8x-9-21=0

We add all the numbers together, and all the variables

-7.5x-30=0

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

-7.5x=30

x=30/-7.5

x=-4

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