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3.4x+8.1=1.7x+23.4
We move all terms to the left:
3.4x+8.1-(1.7x+23.4)=0
We get rid of parentheses
3.4x-1.7x-23.4+8.1=0
We add all the numbers together, and all the variables
1.7x-15.3=0
We move all terms containing x to the left, all other terms to the right
1.7x=15.3
x=15.3/1.7
x=9+1.7763568394003E-15/1.7
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