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12c+3-30=12c+36
We simplify the equation to the form, which is simple to understand
12c+3-30=12c+36
We move all terms containing c to the left and all other terms to the right.
+12c-12c=+36-3+30
We simplify left and right side of the equation.
c=+63
0=63
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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