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0.05x+0.3x=47.25
We move all terms to the left:
0.05x+0.3x-(47.25)=0
We add all the numbers together, and all the variables
0.35x-47.25=0
We move all terms containing x to the left, all other terms to the right
0.35x=47.25
x=47.25/0.35
x=135
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