102=42+100+2z-60

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Solution for 102=42+100+2z-60 equation: 



102=42+100+2z-60

We move all terms to the left:

102-(42+100+2z-60)=0

We add all the numbers together, and all the variables

-(2z+82)+102=0

We get rid of parentheses

-2z-82+102=0

We add all the numbers together, and all the variables

-2z+20=0

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

-2z=-20

z=-20/-2

z=+10

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