z-2=7-2z

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Solution for z-2=7-2z equation: 



z-2=7-2z

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

z+2z-7-2=0

We add all the numbers together, and all the variables

3z-9=0

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

3z=9

z=9/3

z=3

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