-18=15-18+-15

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Solution for -18=15-18+-15 equation: 


Simplifying
-18 = 15 + -18 + -15

Combine like terms: 15 + -18 = -3
-18 = -3 + -15

Combine like terms: -3 + -15 = -18
-18 = -18

Add '18' to each side of the equation.
-18 + 18 = -18 + 18

Combine like terms: -18 + 18 = 0
0 = -18 + 18

Combine like terms: -18 + 18 = 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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