3u+18=-3u-18

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Solution for 3u+18=-3u-18 equation:


Simplifying
3u + 18 = -3u + -18

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

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

Solving
18 + 3u = -18 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
18 + 3u + 3u = -18 + -3u + 3u

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

Combine like terms: -3u + 3u = 0
18 + 6u = -18 + 0
18 + 6u = -18

Add '-18' to each side of the equation.
18 + -18 + 6u = -18 + -18

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

Combine like terms: -18 + -18 = -36
6u = -36

Divide each side by '6'.
u = -6

Simplifying
u = -6

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