6=u-1

Solution for 6=u-1 equation:

Simplifying
6 = u + -1

Reorder the terms:
6 = -1 + u

Solving
6 = -1 + 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.
6 + -1u = -1 + u + -1u

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

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

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

Combine like terms: -1 + -6 = -7
-1u = -7

Divide each side by '-1'.
u = 7

Simplifying
u = 7