3-u=-u+3

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Solution for 3-u=-u+3 equation:


Simplifying
3 + -1u = -1u + 3

Reorder the terms:
3 + -1u = 3 + -1u

Add '-3' to each side of the equation.
3 + -3 + -1u = 3 + -3 + -1u

Combine like terms: 3 + -3 = 0
0 + -1u = 3 + -3 + -1u
-1u = 3 + -3 + -1u

Combine like terms: 3 + -3 = 0
-1u = 0 + -1u
-1u = -1u

Add 'u' to each side of the equation.
-1u + u = -1u + u

Combine like terms: -1u + u = 0
0 = -1u + u

Combine like terms: -1u + u = 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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