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-3x+23.9=4.7
We move all terms to the left:
-3x+23.9-(4.7)=0
We add all the numbers together, and all the variables
-3x+19.2=0
We move all terms containing x to the left, all other terms to the right
-3x=-19.2
x=-19.2/-3
x=6+1/2.5
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