6u-15=9u+15

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Solution for 6u-15=9u+15 equation:


Simplifying
6u + -15 = 9u + 15

Reorder the terms:
-15 + 6u = 9u + 15

Reorder the terms:
-15 + 6u = 15 + 9u

Solving
-15 + 6u = 15 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-15 + 6u + -9u = 15 + 9u + -9u

Combine like terms: 6u + -9u = -3u
-15 + -3u = 15 + 9u + -9u

Combine like terms: 9u + -9u = 0
-15 + -3u = 15 + 0
-15 + -3u = 15

Add '15' to each side of the equation.
-15 + 15 + -3u = 15 + 15

Combine like terms: -15 + 15 = 0
0 + -3u = 15 + 15
-3u = 15 + 15

Combine like terms: 15 + 15 = 30
-3u = 30

Divide each side by '-3'.
u = -10

Simplifying
u = -10

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