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.05x+.1(3x)=63.45
We move all terms to the left:
.05x+.1(3x)-(63.45)=0
We add all the numbers together, and all the variables
0.18x-63.45=0
We move all terms containing x to the left, all other terms to the right
0.18x=63.45
x=63.45/0.18
x=352+0.09/0.18
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