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0.8x=28-2x
We move all terms to the left:
0.8x-(28-2x)=0
We add all the numbers together, and all the variables
0.8x-(-2x+28)=0
We get rid of parentheses
0.8x+2x-28=0
We add all the numbers together, and all the variables
2.8x-28=0
We move all terms containing x to the left, all other terms to the right
2.8x=28
x=28/2.8
x=10
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