4z+9=z+12

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Solution for 4z+9=z+12 equation:



4z+9=z+12
We move all terms to the left:
4z+9-(z+12)=0
We get rid of parentheses
4z-z-12+9=0
We add all the numbers together, and all the variables
3z-3=0
We move all terms containing z to the left, all other terms to the right
3z=3
z=3/3
z=1

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