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0.3x+0.8(x-12)=33.3
We move all terms to the left:
0.3x+0.8(x-12)-(33.3)=0
We add all the numbers together, and all the variables
0.3x+0.8(x-12)-33.3=0
We multiply parentheses
0.3x+0.8x-9.6-33.3=0
We add all the numbers together, and all the variables
1.1x-42.9=0
We move all terms containing x to the left, all other terms to the right
1.1x=42.9
x=42.9/1.1
x=38+1/1
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