42=7(z+5)

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Solution for 42=7(z+5) equation: 



42=7(z+5)

We move all terms to the left:

42-(7(z+5))=0



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

7(z+5)

We multiply parentheses

7z+35

Back to the equation:

-(7z+35)



We get rid of parentheses

-7z-35+42=0

We add all the numbers together, and all the variables

-7z+7=0

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

-7z=-7

z=-7/-7

z=1

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