10u-15=6u+9

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Solution for 10u-15=6u+9 equation:


Simplifying
10u + -15 = 6u + 9

Reorder the terms:
-15 + 10u = 6u + 9

Reorder the terms:
-15 + 10u = 9 + 6u

Solving
-15 + 10u = 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.
-15 + 10u + -6u = 9 + 6u + -6u

Combine like terms: 10u + -6u = 4u
-15 + 4u = 9 + 6u + -6u

Combine like terms: 6u + -6u = 0
-15 + 4u = 9 + 0
-15 + 4u = 9

Add '15' to each side of the equation.
-15 + 15 + 4u = 9 + 15

Combine like terms: -15 + 15 = 0
0 + 4u = 9 + 15
4u = 9 + 15

Combine like terms: 9 + 15 = 24
4u = 24

Divide each side by '4'.
u = 6

Simplifying
u = 6

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