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0.55(8+c)=20
We move all terms to the left:
0.55(8+c)-(20)=0
We add all the numbers together, and all the variables
0.55(c+8)-20=0
We multiply parentheses
0.55c+4.4-20=0
We add all the numbers together, and all the variables
0.55c-15.6=0
We move all terms containing c to the left, all other terms to the right
0.55c=15.6
c=15.6/0.55
c=28+0.2/0.55
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