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(2+1)*6/(-9)=0
We simplify the equation to the form, which is simple to understand
(2+1)*6/(-9)=0
Simplifying terms in parentheses
(+3)*6/(-9)=0
Reorder the terms in parentheses
(+18)/(-9)=0
Reorder the terms in parentheses
dividing of parentheses
(-2)=0
Remove unnecessary parentheses
-2=0
We move all terms containing to the left and all other terms to the right.
0=0+2
We simplify left and right side of the equation.
0=+2
0=2
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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