10z+20=7z+8

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Solution for 10z+20=7z+8 equation: 



10z+20=7z+8

We move all terms to the left:

10z+20-(7z+8)=0

We get rid of parentheses

10z-7z-8+20=0

We add all the numbers together, and all the variables

3z+12=0

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

3z=-12

z=-12/3

z=-4

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