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1.9-7.1x=2.9
We move all terms to the left:
1.9-7.1x-(2.9)=0
We add all the numbers together, and all the variables
-7.1x-1=0
We move all terms containing x to the left, all other terms to the right
-7.1x=1
x=1/-7.1
x=-1/7.1
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