8x+4(131-x)=920

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Solution for 8x+4(131-x)=920 equation: 



8x+4(131-x)=920

We move all terms to the left:

8x+4(131-x)-(920)=0

We add all the numbers together, and all the variables

8x+4(-1x+131)-920=0

We multiply parentheses

8x-4x+524-920=0

We add all the numbers together, and all the variables

4x-396=0

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

4x=396

x=396/4

x=99

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