-7z+3=-9z+3

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Solution for -7z+3=-9z+3 equation: 



-7z+3=-9z+3

We move all terms to the left:

-7z+3-(-9z+3)=0

We get rid of parentheses

-7z+9z-3+3=0

We add all the numbers together, and all the variables

2z=0

z=0/2

z=0

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