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-3+1/2c=12
We move all terms to the left:
-3+1/2c-(12)=0
Domain of the equation: 2c!=0We add all the numbers together, and all the variables
c!=0/2
c!=0
c∈R
1/2c-15=0
We multiply all the terms by the denominator
-15*2c+1=0
Wy multiply elements
-30c+1=0
We move all terms containing c to the left, all other terms to the right
-30c=-1
c=-1/-30
c=1/30
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