15z+20=16z+19

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Solution for 15z+20=16z+19 equation: 



15z+20=16z+19

We move all terms to the left:

15z+20-(16z+19)=0

We get rid of parentheses

15z-16z-19+20=0

We add all the numbers together, and all the variables

-1z+1=0

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

-z=-1

z=-1/-1

z=1

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