7+2u+7u=

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Solution for 7+2u+7u= equation: 


Simplifying
7 + 2u + 7u = 0

Combine like terms: 2u + 7u = 9u
7 + 9u = 0

Solving
7 + 9u = 0

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 + 9u = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 9u = 0 + -7
9u = 0 + -7

Combine like terms: 0 + -7 = -7
9u = -7

Divide each side by '9'.
u = -0.7777777778

Simplifying
u = -0.7777777778

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