300=u-144

Solution for 300=u-144 equation:

Simplifying
300 = u + -144

Reorder the terms:
300 = -144 + u

Solving
300 = -144 + 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.
300 + -1u = -144 + u + -1u

Combine like terms: u + -1u = 0
300 + -1u = -144 + 0
300 + -1u = -144

Add '-300' to each side of the equation.
300 + -300 + -1u = -144 + -300

Combine like terms: 300 + -300 = 0
0 + -1u = -144 + -300
-1u = -144 + -300

Combine like terms: -144 + -300 = -444
-1u = -444

Divide each side by '-1'.
u = 444

Simplifying
u = 444