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z/2.6=-7.8
We move all terms to the left:
z/2.6-(-7.8)=0
We add all the numbers together, and all the variables
z/2.6+7.8=0
We multiply all the terms by the denominator
z+(7.8)*2.6=0
We add all the numbers together, and all the variables
z+20.28=0
We move all terms containing z to the left, all other terms to the right
z=-20.28
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