9z+8z-7z=-10

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Solution for 9z+8z-7z=-10 equation:



9z+8z-7z=-10
We move all terms to the left:
9z+8z-7z-(-10)=0
We add all the numbers together, and all the variables
10z+10=0
We move all terms containing z to the left, all other terms to the right
10z=-10
z=-10/10
z=-1

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