2z-5z=-9

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Solution for 2z-5z=-9 equation:



2z-5z=-9
We move all terms to the left:
2z-5z-(-9)=0
We add all the numbers together, and all the variables
-3z+9=0
We move all terms containing z to the left, all other terms to the right
-3z=-9
z=-9/-3
z=+3

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