x-31=4(1-x)+5

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Solution for x-31=4(1-x)+5 equation: 



x-31=4(1-x)+5

We move all terms to the left:

x-31-(4(1-x)+5)=0

We add all the numbers together, and all the variables

x-(4(-1x+1)+5)-31=0



We calculate terms in parentheses: -(4(-1x+1)+5), so:

4(-1x+1)+5

We multiply parentheses

-4x+4+5

We add all the numbers together, and all the variables

-4x+9

Back to the equation:

-(-4x+9)



We get rid of parentheses

x+4x-9-31=0

We add all the numbers together, and all the variables

5x-40=0

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

5x=40

x=40/5

x=8

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