3z-18-5z=-7z+7

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Solution for 3z-18-5z=-7z+7 equation: 



3z-18-5z=-7z+7

We move all terms to the left:

3z-18-5z-(-7z+7)=0

We add all the numbers together, and all the variables

-2z-(-7z+7)-18=0

We get rid of parentheses

-2z+7z-7-18=0

We add all the numbers together, and all the variables

5z-25=0

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

5z=25

z=25/5

z=5

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