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82-(9-13)(9)=0
We simplify the equation to the form, which is simple to understand
82-(9-13)*(9)=0
Simplifying terms in parentheses
82-(-4)*(9)=0
Reorder the terms in parentheses
multiplication of parentheses
82-(-36)=0
Remove unnecessary parentheses
82+36=0
We move all terms containing to the left and all other terms to the right.
0=0-82-36
We simplify left and right side of the equation.
0=-118
0=-118
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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