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c+8.1/4=2.8
We move all terms to the left:
c+8.1/4-(2.8)=0
We add all the numbers together, and all the variables
c-2.8+8.1/4=0
We multiply all the terms by the denominator
c*4+8.1-(2.8)*4=0
We add all the numbers together, and all the variables
c*4-3.1=0
Wy multiply elements
4c-3.1=0
We move all terms containing c to the left, all other terms to the right
4c=3.1
c=3.1/4
c=2.8181818181818/3.6363636363636
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