16u+42=6u+72

Solution for 16u+42=6u+72 equation:

Simplifying
16u + 42 = 6u + 72

Reorder the terms:
42 + 16u = 6u + 72

Reorder the terms:
42 + 16u = 72 + 6u

Solving
42 + 16u = 72 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
42 + 16u + -6u = 72 + 6u + -6u

Combine like terms: 16u + -6u = 10u
42 + 10u = 72 + 6u + -6u

Combine like terms: 6u + -6u = 0
42 + 10u = 72 + 0
42 + 10u = 72

Add '-42' to each side of the equation.
42 + -42 + 10u = 72 + -42

Combine like terms: 42 + -42 = 0
0 + 10u = 72 + -42
10u = 72 + -42

Combine like terms: 72 + -42 = 30
10u = 30

Divide each side by '10'.
u = 3

Simplifying
u = 3