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10c+1+42.5(2)=180
We move all terms to the left:
10c+1+42.5(2)-(180)=0
We add all the numbers together, and all the variables
10c-136.48=0
We move all terms containing c to the left, all other terms to the right
10c=136.48
c=136.48/10
c=13+2.6129032258065/4.0322580645161
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