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z/3=2.9
We move all terms to the left:
z/3-(2.9)=0
We add all the numbers together, and all the variables
z/3-2.9=0
We multiply all the terms by the denominator
z-(2.9)*3=0
We add all the numbers together, and all the variables
z-8.7=0
We move all terms containing z to the left, all other terms to the right
z=8.7
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