20+17u=-6+15u

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

Simplifying
20 + 17u = -6 + 15u

Solving
20 + 17u = -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.
20 + 17u + -15u = -6 + 15u + -15u

Combine like terms: 17u + -15u = 2u
20 + 2u = -6 + 15u + -15u

Combine like terms: 15u + -15u = 0
20 + 2u = -6 + 0
20 + 2u = -6

Add '-20' to each side of the equation.
20 + -20 + 2u = -6 + -20

Combine like terms: 20 + -20 = 0
0 + 2u = -6 + -20
2u = -6 + -20

Combine like terms: -6 + -20 = -26
2u = -26

Divide each side by '2'.
u = -13

Simplifying
u = -13