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.2x+57.9=145
We move all terms to the left:
.2x+57.9-(145)=0
We add all the numbers together, and all the variables
.2x-87.1=0
We move all terms containing x to the left, all other terms to the right
.2x=87.1
x=87.1/.2
x=435+0.099999999999994/.2
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