3z+2=7z-18

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Solution for 3z+2=7z-18 equation:



3z+2=7z-18
We move all terms to the left:
3z+2-(7z-18)=0
We get rid of parentheses
3z-7z+18+2=0
We add all the numbers together, and all the variables
-4z+20=0
We move all terms containing z to the left, all other terms to the right
-4z=-20
z=-20/-4
z=+5

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