7u+12=-3(u+6)

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Solution for 7u+12=-3(u+6) equation:


Simplifying
7u + 12 = -3(u + 6)

Reorder the terms:
12 + 7u = -3(u + 6)

Reorder the terms:
12 + 7u = -3(6 + u)
12 + 7u = (6 * -3 + u * -3)
12 + 7u = (-18 + -3u)

Solving
12 + 7u = -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.
12 + 7u + 3u = -18 + -3u + 3u

Combine like terms: 7u + 3u = 10u
12 + 10u = -18 + -3u + 3u

Combine like terms: -3u + 3u = 0
12 + 10u = -18 + 0
12 + 10u = -18

Add '-12' to each side of the equation.
12 + -12 + 10u = -18 + -12

Combine like terms: 12 + -12 = 0
0 + 10u = -18 + -12
10u = -18 + -12

Combine like terms: -18 + -12 = -30
10u = -30

Divide each side by '10'.
u = -3

Simplifying
u = -3

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