9(20-30)=

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Solution for 9(20-30)= equation: 


Simplifying
9(20 + -30) = 0

Combine like terms: 20 + -30 = -10
9(-10) = 0

Multiply 9 * -10
-90 = 0

Solving
-90 = 0

Couldn't find a variable to solve for.

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

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