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3.4x-1.2=-0.2
We move all terms to the left:
3.4x-1.2-(-0.2)=0
We add all the numbers together, and all the variables
3.4x-1=0
We move all terms containing x to the left, all other terms to the right
3.4x=1
x=1/3.4
x=1/3.4
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