-6(u+6)=-9u-15

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


Simplifying
-6(u + 6) = -9u + -15

Reorder the terms:
-6(6 + u) = -9u + -15
(6 * -6 + u * -6) = -9u + -15
(-36 + -6u) = -9u + -15

Reorder the terms:
-36 + -6u = -15 + -9u

Solving
-36 + -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.
-36 + -6u + 9u = -15 + -9u + 9u

Combine like terms: -6u + 9u = 3u
-36 + 3u = -15 + -9u + 9u

Combine like terms: -9u + 9u = 0
-36 + 3u = -15 + 0
-36 + 3u = -15

Add '36' to each side of the equation.
-36 + 36 + 3u = -15 + 36

Combine like terms: -36 + 36 = 0
0 + 3u = -15 + 36
3u = -15 + 36

Combine like terms: -15 + 36 = 21
3u = 21

Divide each side by '3'.
u = 7

Simplifying
u = 7

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