7=2z+5

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Solution for 7=2z+5 equation: 



7=2z+5

We move all terms to the left:

7-(2z+5)=0

We get rid of parentheses

-2z-5+7=0

We add all the numbers together, and all the variables

-2z+2=0

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

-2z=-2

z=-2/-2

z=1

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