4x-40=x-8.5

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Solution for 4x-40=x-8.5 equation: 



4x-40=x-8.5

We move all terms to the left:

4x-40-(x-8.5)=0

We get rid of parentheses

4x-x+8.5-40=0

We add all the numbers together, and all the variables

3x-31.5=0

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

3x=31.5

x=31.5/3

x=10+1/2

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