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4.7=z/2.8
We move all terms to the left:
4.7-(z/2.8)=0
We add all the numbers together, and all the variables
-(+z/2.8)+4.7=0
We get rid of parentheses
-z/2.8+4.7=0
We multiply all the terms by the denominator
-z+(4.7)*2.8=0
We add all the numbers together, and all the variables
-1z+13.16=0
We move all terms containing z to the left, all other terms to the right
-z=-13.16
z=-13.16/-1
z=13+0.16/1
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