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20.000+0.8x=50.000+0.5x
We move all terms to the left:
20.000+0.8x-(50.000+0.5x)=0
We add all the numbers together, and all the variables
0.8x-(0.5x+50)+20.000=0
We add all the numbers together, and all the variables
0.8x-(0.5x+50)+20=0
We get rid of parentheses
0.8x-0.5x-50+20=0
We add all the numbers together, and all the variables
0.3x-30=0
We move all terms containing x to the left, all other terms to the right
0.3x=30
x=30/0.3
x=100
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