3(u+6)=-6u-18

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Solution for 3(u+6)=-6u-18 equation:


Simplifying
3(u + 6) = -6u + -18

Reorder the terms:
3(6 + u) = -6u + -18
(6 * 3 + u * 3) = -6u + -18
(18 + 3u) = -6u + -18

Reorder the terms:
18 + 3u = -18 + -6u

Solving
18 + 3u = -18 + -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.
18 + 3u + 6u = -18 + -6u + 6u

Combine like terms: 3u + 6u = 9u
18 + 9u = -18 + -6u + 6u

Combine like terms: -6u + 6u = 0
18 + 9u = -18 + 0
18 + 9u = -18

Add '-18' to each side of the equation.
18 + -18 + 9u = -18 + -18

Combine like terms: 18 + -18 = 0
0 + 9u = -18 + -18
9u = -18 + -18

Combine like terms: -18 + -18 = -36
9u = -36

Divide each side by '9'.
u = -4

Simplifying
u = -4

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