7+2u=15

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Solution for 7+2u=15 equation: 


Simplifying
7 + 2u = 15

Solving
7 + 2u = 15

Solving for variable 'u'.

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

Add '-7' to each side of the equation.
7 + -7 + 2u = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2u = 15 + -7
2u = 15 + -7

Combine like terms: 15 + -7 = 8
2u = 8

Divide each side by '2'.
u = 4

Simplifying
u = 4

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