7+3z=31-5z

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Solution for 7+3z=31-5z equation: 



7+3z=31-5z

We move all terms to the left:

7+3z-(31-5z)=0

We add all the numbers together, and all the variables

3z-(-5z+31)+7=0

We get rid of parentheses

3z+5z-31+7=0

We add all the numbers together, and all the variables

8z-24=0

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

8z=24

z=24/8

z=3

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