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2.1x+1.3x=4.6=2.2
We move all terms to the left:
2.1x+1.3x-(4.6)=0
We add all the numbers together, and all the variables
3.4x-4.6=0
We move all terms containing x to the left, all other terms to the right
3.4x=4.6
x=4.6/3.4
x=1+1/2.83333333333
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