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-c/2+45=50
We move all terms to the left:
-c/2+45-(50)=0
We add all the numbers together, and all the variables
-c/2-5=0
We multiply all the terms by the denominator
-c-5*2=0
We add all the numbers together, and all the variables
-1c-10=0
We move all terms containing c to the left, all other terms to the right
-c=10
c=10/-1
c=-10
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