(7x-31)=(4x+5)

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Solution for (7x-31)=(4x+5) equation: 



(7x-31)=(4x+5)

We move all terms to the left:

(7x-31)-((4x+5))=0

We get rid of parentheses

7x-((4x+5))-31=0



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

(4x+5)

We get rid of parentheses

4x+5

Back to the equation:

-(4x+5)



We get rid of parentheses

7x-4x-5-31=0

We add all the numbers together, and all the variables

3x-36=0

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

3x=36

x=36/3

x=12

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