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0.4x-0.8x=1.4-0.2
We move all terms to the left:
0.4x-0.8x-(1.4-0.2)=0
We add all the numbers together, and all the variables
0.4x-0.8x-(1.2)=0
We add all the numbers together, and all the variables
-0.4x-1.2=0
We move all terms containing x to the left, all other terms to the right
-0.4x=1.2
x=1.2/-0.4
x=-2+0.4/0.4
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