9-3(2-1)=15

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Solution for 9-3(2-1)=15 equation: 


Simplifying
9 + -3(2 + -1) = 15

Combine like terms: 2 + -1 = 1
9 + -3(1) = 15

Multiply -3 * 1
9 + -3 = 15

Combine like terms: 9 + -3 = 6
6 = 15

Solving
6 = 15

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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