-4=3u+2(u+8)

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Solution for -4=3u+2(u+8) equation:


Simplifying
-4 = 3u + 2(u + 8)

Reorder the terms:
-4 = 3u + 2(8 + u)
-4 = 3u + (8 * 2 + u * 2)
-4 = 3u + (16 + 2u)

Reorder the terms:
-4 = 16 + 3u + 2u

Combine like terms: 3u + 2u = 5u
-4 = 16 + 5u

Solving
-4 = 16 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-4 + -5u = 16 + 5u + -5u

Combine like terms: 5u + -5u = 0
-4 + -5u = 16 + 0
-4 + -5u = 16

Add '4' to each side of the equation.
-4 + 4 + -5u = 16 + 4

Combine like terms: -4 + 4 = 0
0 + -5u = 16 + 4
-5u = 16 + 4

Combine like terms: 16 + 4 = 20
-5u = 20

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

Simplifying
u = -4

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