3(u+9)=-4u-8

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Solution for 3(u+9)=-4u-8 equation:


Simplifying
3(u + 9) = -4u + -8

Reorder the terms:
3(9 + u) = -4u + -8
(9 * 3 + u * 3) = -4u + -8
(27 + 3u) = -4u + -8

Reorder the terms:
27 + 3u = -8 + -4u

Solving
27 + 3u = -8 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
27 + 3u + 4u = -8 + -4u + 4u

Combine like terms: 3u + 4u = 7u
27 + 7u = -8 + -4u + 4u

Combine like terms: -4u + 4u = 0
27 + 7u = -8 + 0
27 + 7u = -8

Add '-27' to each side of the equation.
27 + -27 + 7u = -8 + -27

Combine like terms: 27 + -27 = 0
0 + 7u = -8 + -27
7u = -8 + -27

Combine like terms: -8 + -27 = -35
7u = -35

Divide each side by '7'.
u = -5

Simplifying
u = -5

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