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2.2=-4.2+4x
We move all terms to the left:
2.2-(-4.2+4x)=0
We add all the numbers together, and all the variables
-(4x-4.2)+2.2=0
We get rid of parentheses
-4x+4.2+2.2=0
We add all the numbers together, and all the variables
-4x+6.4=0
We move all terms containing x to the left, all other terms to the right
-4x=-6.4
x=-6.4/-4
x=1+1/1.6666666666667
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