-1(9)=

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Solution for -1(9)= equation:


-1(9)=0

We simplify the equation to the form, which is simple to understand
-1(9)=0

Reorder the terms in parentheses
+(-9)=0

Remove unnecessary parentheses
-9=0

We move all terms containing to the left and all other terms to the right.
0=0+9

We simplify left and right side of the equation.
0=+9

0=9

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

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