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

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


Simplifying
3u + 18 = -3(-1u + -6)

Reorder the terms:
18 + 3u = -3(-1u + -6)

Reorder the terms:
18 + 3u = -3(-6 + -1u)
18 + 3u = (-6 * -3 + -1u * -3)
18 + 3u = (18 + 3u)

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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