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4x-74.9=20.3
We move all terms to the left:
4x-74.9-(20.3)=0
We add all the numbers together, and all the variables
4x-95.2=0
We move all terms containing x to the left, all other terms to the right
4x=95.2
x=95.2/4
x=23+2.66666666667/3.33333333333
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