u+u-35=u+40

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Solution for u+u-35=u+40 equation:


Simplifying
u + u + -35 = u + 40

Reorder the terms:
-35 + u + u = u + 40

Combine like terms: u + u = 2u
-35 + 2u = u + 40

Reorder the terms:
-35 + 2u = 40 + u

Solving
-35 + 2u = 40 + 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.
-35 + 2u + -1u = 40 + u + -1u

Combine like terms: 2u + -1u = 1u
-35 + 1u = 40 + u + -1u

Combine like terms: u + -1u = 0
-35 + 1u = 40 + 0
-35 + 1u = 40

Add '35' to each side of the equation.
-35 + 35 + 1u = 40 + 35

Combine like terms: -35 + 35 = 0
0 + 1u = 40 + 35
1u = 40 + 35

Combine like terms: 40 + 35 = 75
1u = 75

Divide each side by '1'.
u = 75

Simplifying
u = 75

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