3(x+4)=3x-9

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Solution for 3(x+4)=3x-9 equation:


3(x+4)=3x-9

We simplify the equation to the form, which is simple to understand 
3(x+4)=3x-9

Reorder the terms in parentheses
+(+3x+12)=3x-9

Remove unnecessary parentheses
+3x+12=+3x-9

We move all terms containing x to the left and all other terms to the right. 
+3x-3x=-9-12

We simplify left and right side of the equation. 
0x=-21

0=-21

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

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