42=7(z-3)42=7(z-3)

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Solution for 42=7(z-3)42=7(z-3) equation: 



42=7(z-3)42=7(z-3)

We move all terms to the left:

42-(7(z-3)42)=0



We calculate terms in parentheses: -(7(z-3)42), so:

7(z-3)42

We multiply parentheses

294z-882

Back to the equation:

-(294z-882)



We get rid of parentheses

-294z+882+42=0

We add all the numbers together, and all the variables

-294z+924=0

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

-294z=-924

z=-924/-294

z=3+1/7

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