9x+5=12x+3(7-x)

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Solution for 9x+5=12x+3(7-x) equation:


9x+5=12x+3(7-x)

We simplify the equation to the form, which is simple to understand 
9x+5=12x+3(7-x)

Reorder the terms in parentheses
9x+5=12x+(+21-3x)

Remove unnecessary parentheses
+9x+5=+12x+21-3x

We move all terms containing x to the left and all other terms to the right. 
+9x-12x+3x=+21-5

We simplify left and right side of the equation. 
0x=+16

0=16

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

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