3(7)-3=6

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Solution for 3(7)-3=6 equation:


3(7)-3=6

We simplify the equation to the form, which is simple to understand 
3(7)-3=6

Reorder the terms in parentheses
+(+21)-3=6

Remove unnecessary parentheses
+21-3=+6

We move all terms containing  to the left and all other terms to the right. 
0=+6-21+3

We simplify left and right side of the equation. 
0=-12

0=-12

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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