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0.5(8+c)=-20
We move all terms to the left:
0.5(8+c)-(-20)=0
We add all the numbers together, and all the variables
0.5(c+8)-(-20)=0
We add all the numbers together, and all the variables
0.5(c+8)+20=0
We multiply parentheses
0.5c+4+20=0
We add all the numbers together, and all the variables
0.5c+24=0
We move all terms containing c to the left, all other terms to the right
0.5c=-24
c=-24/0.5
c=-48
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