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45x+.5x+2x+x=150
We move all terms to the left:
45x+.5x+2x+x-(150)=0
We add all the numbers together, and all the variables
48.5x-150=0
We move all terms containing x to the left, all other terms to the right
48.5x=150
x=150/48.5
x=3+1/10.777777777778
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