-9(6+u)+2u=-10

Solution for -9(6+u)+2u=-10 equation:

Simplifying
-9(6 + u) + 2u = -10
(6 * -9 + u * -9) + 2u = -10
(-54 + -9u) + 2u = -10

Combine like terms: -9u + 2u = -7u
-54 + -7u = -10

Solving
-54 + -7u = -10

Solving for variable 'u'.

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

Add '54' to each side of the equation.
-54 + 54 + -7u = -10 + 54

Combine like terms: -54 + 54 = 0
0 + -7u = -10 + 54
-7u = -10 + 54

Combine like terms: -10 + 54 = 44
-7u = 44

Divide each side by '-7'.
u = -6.285714286

Simplifying
u = -6.285714286