20+17=-6+15u

Solution for 20+17=-6+15u equation:

Simplifying
20 + 17 = -6 + 15u

Combine like terms: 20 + 17 = 37
37 = -6 + 15u

Solving
37 = -6 + 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
37 + -15u = -6 + 15u + -15u

Combine like terms: 15u + -15u = 0
37 + -15u = -6 + 0
37 + -15u = -6

Add '-37' to each side of the equation.
37 + -37 + -15u = -6 + -37

Combine like terms: 37 + -37 = 0
0 + -15u = -6 + -37
-15u = -6 + -37

Combine like terms: -6 + -37 = -43
-15u = -43

Divide each side by '-15'.
u = 2.866666667

Simplifying
u = 2.866666667