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0.30(72.2)=0.70x
We move all terms to the left:
0.30(72.2)-(0.70x)=0
We add all the numbers together, and all the variables
-(+0.70x)+0.30(72.2)=0
We add all the numbers together, and all the variables
-(+0.70x)+21.66=0
We get rid of parentheses
-0.70x+21.66=0
We add all the numbers together, and all the variables
-0.7x+21.66=0
We move all terms containing x to the left, all other terms to the right
-0.7x=-21.66
x=-21.66/-0.7
x=30+0.66/0.7
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