3c-9=42

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Solution for 3c-9=42 equation:


3c-9=42

We simplify the equation to the form, which is simple to understand 
3c-9=42

We move all terms containing c to the left and all other terms to the right. 
+3c=+42+9

We simplify left and right side of the equation. 
+3c=+51

We divide both sides of the equation by 3 to get c. 
c=17

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