x+3x=7(5x+2)

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Solution for x+3x=7(5x+2) equation: 



x+3x=7(5x+2)

We move all terms to the left:

x+3x-(7(5x+2))=0

We add all the numbers together, and all the variables

4x-(7(5x+2))=0



We calculate terms in parentheses: -(7(5x+2)), so:

7(5x+2)

We multiply parentheses

35x+14

Back to the equation:

-(35x+14)



We get rid of parentheses

4x-35x-14=0

We add all the numbers together, and all the variables

-31x-14=0

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

-31x=14

x=14/-31

x=-14/31

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