(3+2*3)*2-21=5

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Solution for (3+2*3)*2-21=5 equation:


(3+2*3)*2-21=5

We simplify the equation to the form, which is simple to understand 
(3+2*3)*2-21=5

Simplifying:
(3+6)*2-21=5

Simplifying terms in parentheses
(+9)*2-21=5

Reorder the terms in parentheses
(+18)-21=5

Remove unnecessary parentheses
+18-21=5

We move all terms containing  to the left and all other terms to the right. 
0=+5-18+21

We simplify left and right side of the equation. 
0=+8

0=8

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

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