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1.6x-5.8=-2.4
We move all terms to the left:
1.6x-5.8-(-2.4)=0
We add all the numbers together, and all the variables
1.6x-3.4=0
We move all terms containing x to the left, all other terms to the right
1.6x=3.4
x=3.4/1.6
x=2+0.2/1.6