9-(3u-1)=9-3u+1

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Solution for 9-(3u-1)=9-3u+1 equation: 


Simplifying
9 + -1(3u + -1) = 9 + -3u + 1

Reorder the terms:
9 + -1(-1 + 3u) = 9 + -3u + 1
9 + (-1 * -1 + 3u * -1) = 9 + -3u + 1
9 + (1 + -3u) = 9 + -3u + 1

Combine like terms: 9 + 1 = 10
10 + -3u = 9 + -3u + 1

Reorder the terms:
10 + -3u = 9 + 1 + -3u

Combine like terms: 9 + 1 = 10
10 + -3u = 10 + -3u

Add '-10' to each side of the equation.
10 + -10 + -3u = 10 + -10 + -3u

Combine like terms: 10 + -10 = 0
0 + -3u = 10 + -10 + -3u
-3u = 10 + -10 + -3u

Combine like terms: 10 + -10 = 0
-3u = 0 + -3u
-3u = -3u

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

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

Combine like terms: -3u + 3u = 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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