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7(-c-0.75)=2.80
We move all terms to the left:
7(-c-0.75)-(2.80)=0
We add all the numbers together, and all the variables
7(-1c-0.75)-(2.8)=0
We add all the numbers together, and all the variables
7(-1c-0.75)-2.8=0
We multiply parentheses
-7c-5.25-2.8=0
We add all the numbers together, and all the variables
-7c-8.05=0
We move all terms containing c to the left, all other terms to the right
-7c=8.05
c=8.05/-7
c=-1+1/6.6666666666667
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