3u-3=-2(u+9)

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Solution for 3u-3=-2(u+9) equation:


Simplifying
3u + -3 = -2(u + 9)

Reorder the terms:
-3 + 3u = -2(u + 9)

Reorder the terms:
-3 + 3u = -2(9 + u)
-3 + 3u = (9 * -2 + u * -2)
-3 + 3u = (-18 + -2u)

Solving
-3 + 3u = -18 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
-3 + 3u + 2u = -18 + -2u + 2u

Combine like terms: 3u + 2u = 5u
-3 + 5u = -18 + -2u + 2u

Combine like terms: -2u + 2u = 0
-3 + 5u = -18 + 0
-3 + 5u = -18

Add '3' to each side of the equation.
-3 + 3 + 5u = -18 + 3

Combine like terms: -3 + 3 = 0
0 + 5u = -18 + 3
5u = -18 + 3

Combine like terms: -18 + 3 = -15
5u = -15

Divide each side by '5'.
u = -3

Simplifying
u = -3

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