15=-2(2*3.25-1)

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Solution for 15=-2(2*3.25-1) equation: 


Simplifying
15 = -2(2 * 3.25 + -1)

Multiply 2 * 3.25
15 = -2(6.5 + -1)

Combine like terms: 6.5 + -1 = 5.5
15 = -2(5.5)

Multiply -2 * 5.5
15 = -11

Solving
15 = -11

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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