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7.7x+1.2=22
We move all terms to the left:
7.7x+1.2-(22)=0
We add all the numbers together, and all the variables
7.7x-20.8=0
We move all terms containing x to the left, all other terms to the right
7.7x=20.8
x=20.8/7.7
x=2+3.8571428571429/5.5
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