(15-y-z)+y+z=15

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Solution for (15-y-z)+y+z=15 equation:


Simplifying
(15 + -1y + -1z) + y + z = 15

Remove parenthesis around (15 + -1y + -1z)
15 + -1y + -1z + y + z = 15

Reorder the terms:
15 + -1y + y + -1z + z = 15

Combine like terms: -1y + y = 0
15 + 0 + -1z + z = 15
15 + -1z + z = 15

Combine like terms: -1z + z = 0
15 + 0 = 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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