7x+31=4(x+1)

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Solution for 7x+31=4(x+1) equation: 



7x+31=4(x+1)

We move all terms to the left:

7x+31-(4(x+1))=0



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

4(x+1)

We multiply parentheses

4x+4

Back to the equation:

-(4x+4)



We get rid of parentheses

7x-4x-4+31=0

We add all the numbers together, and all the variables

3x+27=0

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

3x=-27

x=-27/3

x=-9

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