2u-5=u+21

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Solution for 2u-5=u+21 equation:


Simplifying
2u + -5 = u + 21

Reorder the terms:
-5 + 2u = u + 21

Reorder the terms:
-5 + 2u = 21 + u

Solving
-5 + 2u = 21 + u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-1u' to each side of the equation.
-5 + 2u + -1u = 21 + u + -1u

Combine like terms: 2u + -1u = 1u
-5 + 1u = 21 + u + -1u

Combine like terms: u + -1u = 0
-5 + 1u = 21 + 0
-5 + 1u = 21

Add '5' to each side of the equation.
-5 + 5 + 1u = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 1u = 21 + 5
1u = 21 + 5

Combine like terms: 21 + 5 = 26
1u = 26

Divide each side by '1'.
u = 26

Simplifying
u = 26

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