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2.2+.75x=9.1
We move all terms to the left:
2.2+.75x-(9.1)=0
We add all the numbers together, and all the variables
.75x-6.9=0
We move all terms containing x to the left, all other terms to the right
.75x=6.9
x=6.9/.75
x=9+0.15/.75
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