u-40+u-44=u

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Solution for u-40+u-44=u equation:


Simplifying
u + -40 + u + -44 = u

Reorder the terms:
-40 + -44 + u + u = u

Combine like terms: -40 + -44 = -84
-84 + u + u = u

Combine like terms: u + u = 2u
-84 + 2u = u

Solving
-84 + 2u = 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.
-84 + 2u + -1u = u + -1u

Combine like terms: 2u + -1u = 1u
-84 + 1u = u + -1u

Combine like terms: u + -1u = 0
-84 + 1u = 0

Add '84' to each side of the equation.
-84 + 84 + 1u = 0 + 84

Combine like terms: -84 + 84 = 0
0 + 1u = 0 + 84
1u = 0 + 84

Combine like terms: 0 + 84 = 84
1u = 84

Divide each side by '1'.
u = 84

Simplifying
u = 84

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