7+2u=u

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Solution for 7+2u=u equation:


Simplifying
7 + 2u = u

Solving
7 + 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.
7 + 2u + -1u = u + -1u

Combine like terms: 2u + -1u = 1u
7 + 1u = u + -1u

Combine like terms: u + -1u = 0
7 + 1u = 0

Add '-7' to each side of the equation.
7 + -7 + 1u = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 1u = 0 + -7
1u = 0 + -7

Combine like terms: 0 + -7 = -7
1u = -7

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

Simplifying
u = -7

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