6+2u+5=15

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Solution for 6+2u+5=15 equation: 


Simplifying
6 + 2u + 5 = 15

Reorder the terms:
6 + 5 + 2u = 15

Combine like terms: 6 + 5 = 11
11 + 2u = 15

Solving
11 + 2u = 15

Solving for variable 'u'.

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

Add '-11' to each side of the equation.
11 + -11 + 2u = 15 + -11

Combine like terms: 11 + -11 = 0
0 + 2u = 15 + -11
2u = 15 + -11

Combine like terms: 15 + -11 = 4
2u = 4

Divide each side by '2'.
u = 2

Simplifying
u = 2

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