u+9=2+2u+2

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Solution for u+9=2+2u+2 equation:


Simplifying
u + 9 = 2 + 2u + 2

Reorder the terms:
9 + u = 2 + 2u + 2

Reorder the terms:
9 + u = 2 + 2 + 2u

Combine like terms: 2 + 2 = 4
9 + u = 4 + 2u

Solving
9 + u = 4 + 2u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-2u' to each side of the equation.
9 + u + -2u = 4 + 2u + -2u

Combine like terms: u + -2u = -1u
9 + -1u = 4 + 2u + -2u

Combine like terms: 2u + -2u = 0
9 + -1u = 4 + 0
9 + -1u = 4

Add '-9' to each side of the equation.
9 + -9 + -1u = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1u = 4 + -9
-1u = 4 + -9

Combine like terms: 4 + -9 = -5
-1u = -5

Divide each side by '-1'.
u = 5

Simplifying
u = 5

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