2(z+4)-9=7

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Solution for 2(z+4)-9=7 equation: 



2(z+4)-9=7

We move all terms to the left:

2(z+4)-9-(7)=0

We add all the numbers together, and all the variables

2(z+4)-16=0

We multiply parentheses

2z+8-16=0

We add all the numbers together, and all the variables

2z-8=0

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

2z=8

z=8/2

z=4

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