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.247x+.239x=122.5
We move all terms to the left:
.247x+.239x-(122.5)=0
We add all the numbers together, and all the variables
0.486x-122.5=0
We move all terms containing x to the left, all other terms to the right
0.486x=122.5
x=122.5/0.486
x=252+0.028000000000006/0.486
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