-42=2(z-98)

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Solution for -42=2(z-98) equation: 



-42=2(z-98)

We move all terms to the left:

-42-(2(z-98))=0



We calculate terms in parentheses: -(2(z-98)), so:

2(z-98)

We multiply parentheses

2z-196

Back to the equation:

-(2z-196)



We get rid of parentheses

-2z+196-42=0

We add all the numbers together, and all the variables

-2z+154=0

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

-2z=-154

z=-154/-2

z=+77

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