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2.20=8+4x
We move all terms to the left:
2.20-(8+4x)=0
We add all the numbers together, and all the variables
-(4x+8)+2.20=0
We add all the numbers together, and all the variables
-(4x+8)+2.2=0
We get rid of parentheses
-4x-8+2.2=0
We add all the numbers together, and all the variables
-4x-5.8=0
We move all terms containing x to the left, all other terms to the right
-4x=5.8
x=5.8/-4
x=-1+1/2.2222222222222
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