6u+3(u+2)=-39

Solution for 6u+3(u+2)=-39 equation:

Simplifying
6u + 3(u + 2) = -39

Reorder the terms:
6u + 3(2 + u) = -39
6u + (2 * 3 + u * 3) = -39
6u + (6 + 3u) = -39

Reorder the terms:
6 + 6u + 3u = -39

Combine like terms: 6u + 3u = 9u
6 + 9u = -39

Solving
6 + 9u = -39

Solving for variable 'u'.

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

Add '-6' to each side of the equation.
6 + -6 + 9u = -39 + -6

Combine like terms: 6 + -6 = 0
0 + 9u = -39 + -6
9u = -39 + -6

Combine like terms: -39 + -6 = -45
9u = -45

Divide each side by '9'.
u = -5

Simplifying
u = -5