(15+7)-12=4

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Solution for (15+7)-12=4 equation: 


Simplifying
(15 + 7) + -12 = 4

Combine like terms: 15 + 7 = 22
(22) + -12 = 4
22 + -12 = 4

Combine like terms: 22 + -12 = 10
10 = 4

Solving
10 = 4

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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