3(1)-3(-1)=15

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


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

Multiply 3 * 1
3 + -3(-1) = 15

Multiply -3 * -1
3 + 3 = 15

Combine like terms: 3 + 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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