5u-9=-7u-9

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


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

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

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

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

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

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

Solving
5u = -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.
5u + 7u = -7u + 7u

Combine like terms: 5u + 7u = 12u
12u = -7u + 7u

Combine like terms: -7u + 7u = 0
12u = 0

Divide each side by '12'.
u = 0

Simplifying
u = 0

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