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.4x+x=2.75
We move all terms to the left:
.4x+x-(2.75)=0
We add all the numbers together, and all the variables
1.4x-2.75=0
We move all terms containing x to the left, all other terms to the right
1.4x=2.75
x=2.75/1.4
x=1+1/1.037037037037
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