z/2+7=9+9-z/2

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Solution for z/2+7=9+9-z/2 equation: 



z/2+7=9+9-z/2

We move all terms to the left:

z/2+7-(9+9-z/2)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

2z-22=0

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

2z=22

z=22/2

z=11

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