-3u-18=2(u+1)

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Solution for -3u-18=2(u+1) equation:


Simplifying
-3u + -18 = 2(u + 1)

Reorder the terms:
-18 + -3u = 2(u + 1)

Reorder the terms:
-18 + -3u = 2(1 + u)
-18 + -3u = (1 * 2 + u * 2)
-18 + -3u = (2 + 2u)

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

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

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

Add '18' to each side of the equation.
-18 + 18 + -5u = 2 + 18

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

Combine like terms: 2 + 18 = 20
-5u = 20

Divide each side by '-5'.
u = -4

Simplifying
u = -4

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