5u+9=7u-5

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


Simplifying
5u + 9 = 7u + -5

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

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

Solving
9 + 5u = -5 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
9 + 5u + -7u = -5 + 7u + -7u

Combine like terms: 5u + -7u = -2u
9 + -2u = -5 + 7u + -7u

Combine like terms: 7u + -7u = 0
9 + -2u = -5 + 0
9 + -2u = -5

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

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

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

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

Simplifying
u = 7

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