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5.4x-3=8.4+9
We move all terms to the left:
5.4x-3-(8.4+9)=0
We add all the numbers together, and all the variables
5.4x-3-(17.4)=0
We add all the numbers together, and all the variables
5.4x-20.4=0
We move all terms containing x to the left, all other terms to the right
5.4x=20.4
x=20.4/5.4
x=3+3.5/4.5
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