-6u-9=-6u+9-6u

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


Simplifying
-6u + -9 = -6u + 9 + -6u

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

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

Combine like terms: -6u + -6u = -12u
-9 + -6u = 9 + -12u

Solving
-9 + -6u = 9 + -12u

Solving for variable 'u'.

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

Add '12u' to each side of the equation.
-9 + -6u + 12u = 9 + -12u + 12u

Combine like terms: -6u + 12u = 6u
-9 + 6u = 9 + -12u + 12u

Combine like terms: -12u + 12u = 0
-9 + 6u = 9 + 0
-9 + 6u = 9

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

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

Combine like terms: 9 + 9 = 18
6u = 18

Divide each side by '6'.
u = 3

Simplifying
u = 3

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