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0.3x+8=0.5x
We move all terms to the left:
0.3x+8-(0.5x)=0
We add all the numbers together, and all the variables
0.3x-(+0.5x)+8=0
We get rid of parentheses
0.3x-0.5x+8=0
We add all the numbers together, and all the variables
-0.2x+8=0
We move all terms containing x to the left, all other terms to the right
-0.2x=-8
x=-8/-0.2
x=+40
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