6c-18=4c
Why can rearrange this and simplify to 2c=18, which means that c = 9
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Divide both sides by 4: c = d/4
C2-4c+4=0 (c-2)(c-2) c-2=0 and c-2=0 C=2 and c=2 Put 2 in place of c and solve the equation
If: -110 = -4c-6c Then: c = 11
1
it equals 4c