2(a-a)+15=13

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Solution for 2(a-a)+15=13 equation: 


Simplifying
2(a + -1a) + 15 = 13

Combine like terms: a + -1a = 0
2(0) + 15 = 13

Multiply 2 * 0
0 + 15 = 13

Anything times zero is zero.
0 + 15 = 13

Combine like terms: 0 + 15 = 15
15 = 13

Solving
15 = 13

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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