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z+2.5/2=3.1
We move all terms to the left:
z+2.5/2-(3.1)=0
We add all the numbers together, and all the variables
z-3.1+2.5/2=0
We multiply all the terms by the denominator
z*2+2.5-(3.1)*2=0
We add all the numbers together, and all the variables
z*2-3.7=0
Wy multiply elements
2z-3.7=0
We move all terms containing z to the left, all other terms to the right
2z=3.7
z=3.7/2
z=1+1/1.17647058824
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