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191=15-22c
We move all terms to the left:
191-(15-22c)=0
We add all the numbers together, and all the variables
-(-22c+15)+191=0
We get rid of parentheses
22c-15+191=0
We add all the numbers together, and all the variables
22c+176=0
We move all terms containing c to the left, all other terms to the right
22c=-176
c=-176/22
c=-8
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