42=7(8+x)

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Solution for 42=7(8+x) equation: 



42=7(8+x)

We move all terms to the left:

42-(7(8+x))=0

We add all the numbers together, and all the variables

-(7(x+8))+42=0



We calculate terms in parentheses: -(7(x+8)), so:

7(x+8)

We multiply parentheses

7x+56

Back to the equation:

-(7x+56)



We get rid of parentheses

-7x-56+42=0

We add all the numbers together, and all the variables

-7x-14=0

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

-7x=14

x=14/-7

x=-2

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