8z+2z-4z-4z=20

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Solution for 8z+2z-4z-4z=20 equation:



8z+2z-4z-4z=20
We move all terms to the left:
8z+2z-4z-4z-(20)=0
We add all the numbers together, and all the variables
2z-20=0
We move all terms containing z to the left, all other terms to the right
2z=20
z=20/2
z=10

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