(5+7)+3=15

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Solution for (5+7)+3=15 equation: 


Simplifying
(5 + 7) + 3 = 15

Combine like terms: 5 + 7 = 12
(12) + 3 = 15
12 + 3 = 15

Combine like terms: 12 + 3 = 15
15 = 15

Add '-15' to each side of the equation.
15 + -15 = 15 + -15

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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