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3.40+5x=6.50
We move all terms to the left:
3.40+5x-(6.50)=0
We add all the numbers together, and all the variables
5x+3.40-(6.5)=0
We add all the numbers together, and all the variables
5x-3.1=0
We move all terms containing x to the left, all other terms to the right
5x=3.1
x=3.1/5
x=2.8181818181818/4.5454545454545
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