42=2x+3(5x-7)

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Solution for 42=2x+3(5x-7) equation: 



42=2x+3(5x-7)

We move all terms to the left:

42-(2x+3(5x-7))=0



We calculate terms in parentheses: -(2x+3(5x-7)), so:

2x+3(5x-7)

We multiply parentheses

2x+15x-21

We add all the numbers together, and all the variables

17x-21

Back to the equation:

-(17x-21)



We get rid of parentheses

-17x+21+42=0

We add all the numbers together, and all the variables

-17x+63=0

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

-17x=-63

x=-63/-17

x=3+12/17

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