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6.4x-5.8=13.4
We move all terms to the left:
6.4x-5.8-(13.4)=0
We add all the numbers together, and all the variables
6.4x-19.2=0
We move all terms containing x to the left, all other terms to the right
6.4x=19.2
x=19.2/6.4
x=2+1/1
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