45+(5z-2)+2z=180

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Solution for 45+(5z-2)+2z=180 equation: 



45+(5z-2)+2z=180

We move all terms to the left:

45+(5z-2)+2z-(180)=0

We add all the numbers together, and all the variables

2z+(5z-2)-135=0

We get rid of parentheses

2z+5z-2-135=0

We add all the numbers together, and all the variables

7z-137=0

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

7z=137

z=137/7

z=19+4/7

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