45+z+19+2z-20=180

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Solution for 45+z+19+2z-20=180 equation: 



45+z+19+2z-20=180

We move all terms to the left:

45+z+19+2z-20-(180)=0

We add all the numbers together, and all the variables

3z-136=0

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

3z=136

z=136/3

z=45+1/3

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