-4=u-6

Solution for -4=u-6 equation:

Simplifying
-4 = u + -6

Reorder the terms:
-4 = -6 + u

Solving
-4 = -6 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-4 + -1u = -6 + u + -1u

Combine like terms: u + -1u = 0
-4 + -1u = -6 + 0
-4 + -1u = -6

Add '4' to each side of the equation.
-4 + 4 + -1u = -6 + 4

Combine like terms: -4 + 4 = 0
0 + -1u = -6 + 4
-1u = -6 + 4

Combine like terms: -6 + 4 = -2
-1u = -2

Divide each side by '-1'.
u = 2

Simplifying
u = 2