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0.75(7-c)=2.8
We move all terms to the left:
0.75(7-c)-(2.8)=0
We add all the numbers together, and all the variables
0.75(-1c+7)-(2.8)=0
We add all the numbers together, and all the variables
0.75(-1c+7)-2.8=0
We multiply parentheses
-0.75c+5.25-2.8=0
We add all the numbers together, and all the variables
-0.75c+2.45=0
We move all terms containing c to the left, all other terms to the right
-0.75c=-2.45
c=-2.45/-0.75
c=3+0.2/0.75
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