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40.50-2x=30x
We move all terms to the left:
40.50-2x-(30x)=0
We add all the numbers together, and all the variables
-32x+40.5=0
We move all terms containing x to the left, all other terms to the right
-32x=-40.5
x=-40.5/-32
x=1+1/3.7647058823529
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