20=z+3z-20

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Solution for 20=z+3z-20 equation:



20=z+3z-20
We move all terms to the left:
20-(z+3z-20)=0
We add all the numbers together, and all the variables
-(4z-20)+20=0
We get rid of parentheses
-4z+20+20=0
We add all the numbers together, and all the variables
-4z+40=0
We move all terms containing z to the left, all other terms to the right
-4z=-40
z=-40/-4
z=+10

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