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40x+2.34x=189.5
We move all terms to the left:
40x+2.34x-(189.5)=0
We add all the numbers together, and all the variables
42.34x-189.5=0
We move all terms containing x to the left, all other terms to the right
42.34x=189.5
x=189.5/42.34
x=4+9.4112149532711/19.785046728972
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