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0.8x-0.4(6-x)=1.8
We move all terms to the left:
0.8x-0.4(6-x)-(1.8)=0
We add all the numbers together, and all the variables
0.8x-0.4(-1x+6)-(1.8)=0
We add all the numbers together, and all the variables
0.8x-0.4(-1x+6)-1.8=0
We multiply parentheses
0.8x+0.4x-2.4-1.8=0
We add all the numbers together, and all the variables
1.2x-4.2=0
We move all terms containing x to the left, all other terms to the right
1.2x=4.2
x=4.2/1.2
x=3+0.6/1.2
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