10u-77=3u

Solution for 10u-77=3u equation:

Simplifying
10u + -77 = 3u

Reorder the terms:
-77 + 10u = 3u

Solving
-77 + 10u = 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
-77 + 10u + -3u = 3u + -3u

Combine like terms: 10u + -3u = 7u
-77 + 7u = 3u + -3u

Combine like terms: 3u + -3u = 0
-77 + 7u = 0

Add '77' to each side of the equation.
-77 + 77 + 7u = 0 + 77

Combine like terms: -77 + 77 = 0
0 + 7u = 0 + 77
7u = 0 + 77

Combine like terms: 0 + 77 = 77
7u = 77

Divide each side by '7'.
u = 11

Simplifying
u = 11