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2.1x-3.2=-x+4.3
We move all terms to the left:
2.1x-3.2-(-x+4.3)=0
We add all the numbers together, and all the variables
2.1x-(-1x+4.3)-3.2=0
We get rid of parentheses
2.1x+1x-4.3-3.2=0
We add all the numbers together, and all the variables
3.1x-7.5=0
We move all terms containing x to the left, all other terms to the right
3.1x=7.5
x=7.5/3.1
x=2+1/2.3846153846154
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