7-z=5-5z

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Solution for 7-z=5-5z equation: 



7-z=5-5z

We move all terms to the left:

7-z-(5-5z)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1z-(-5z+5)+7=0

We get rid of parentheses

-1z+5z-5+7=0

We add all the numbers together, and all the variables

4z+2=0

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

4z=-2

z=-2/4

z=-1/2

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