11u-78=5u

Solution for 11u-78=5u equation:

Simplifying
11u + -78 = 5u

Reorder the terms:
-78 + 11u = 5u

Solving
-78 + 11u = 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-78 + 11u + -5u = 5u + -5u

Combine like terms: 11u + -5u = 6u
-78 + 6u = 5u + -5u

Combine like terms: 5u + -5u = 0
-78 + 6u = 0

Add '78' to each side of the equation.
-78 + 78 + 6u = 0 + 78

Combine like terms: -78 + 78 = 0
0 + 6u = 0 + 78
6u = 0 + 78

Combine like terms: 0 + 78 = 78
6u = 78

Divide each side by '6'.
u = 13

Simplifying
u = 13