(-7)-15=(-7)+(-15)

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


Simplifying
(-7) + -15 = (-7) + (-15)
-7 + -15 = (-7) + (-15)

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

Combine like terms: -7 + -15 = -22
-22 = -22

Add '22' to each side of the equation.
-22 + 22 = -22 + 22

Combine like terms: -22 + 22 = 0
0 = -22 + 22

Combine like terms: -22 + 22 = 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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