-81(z-1)+3=7

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Solution for -81(z-1)+3=7 equation: 



-81(z-1)+3=7

We move all terms to the left:

-81(z-1)+3-(7)=0

We add all the numbers together, and all the variables

-81(z-1)-4=0

We multiply parentheses

-81z+81-4=0

We add all the numbers together, and all the variables

-81z+77=0

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

-81z=-77

z=-77/-81

z=77/81

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