7u+u+5=6u-9

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Solution for 7u+u+5=6u-9 equation:


Simplifying
7u + u + 5 = 6u + -9

Reorder the terms:
5 + 7u + u = 6u + -9

Combine like terms: 7u + u = 8u
5 + 8u = 6u + -9

Reorder the terms:
5 + 8u = -9 + 6u

Solving
5 + 8u = -9 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
5 + 8u + -6u = -9 + 6u + -6u

Combine like terms: 8u + -6u = 2u
5 + 2u = -9 + 6u + -6u

Combine like terms: 6u + -6u = 0
5 + 2u = -9 + 0
5 + 2u = -9

Add '-5' to each side of the equation.
5 + -5 + 2u = -9 + -5

Combine like terms: 5 + -5 = 0
0 + 2u = -9 + -5
2u = -9 + -5

Combine like terms: -9 + -5 = -14
2u = -14

Divide each side by '2'.
u = -7

Simplifying
u = -7

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