15=-2[2+-1]

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Solution for 15=-2[2+-1] equation: 


Simplifying
15 = -2[2 + -1]

Combine like terms: 2 + -1 = 1
15 = -2[1]

Multiply -2 * 1
15 = -2

Solving
15 = -2

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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