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z=49-43/13.4
We move all terms to the left:
z-(49-43/13.4)=0
We add all the numbers together, and all the variables
z-(-43/13.4+49)=0
We get rid of parentheses
z-49+43/13.4=0
We multiply all the terms by the denominator
z*13.4+43-49*13.4=0
We add all the numbers together, and all the variables
z*13.4-613.6=0
Wy multiply elements
13.4z-613.6=0
We move all terms containing z to the left, all other terms to the right
13.4z=613.6
z=613.6/13.4
z=45+6.6249999999999/8.3749999999999
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