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x+43.4=23.4-3.4
We move all terms to the left:
x+43.4-(23.4-3.4)=0
We add all the numbers together, and all the variables
x+43.4-20=0
We add all the numbers together, and all the variables
x+23.4=0
We move all terms containing x to the left, all other terms to the right
x=-23.4
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