-39=6u+3(u+8)

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Solution for -39=6u+3(u+8) equation:


Simplifying
-39 = 6u + 3(u + 8)

Reorder the terms:
-39 = 6u + 3(8 + u)
-39 = 6u + (8 * 3 + u * 3)
-39 = 6u + (24 + 3u)

Reorder the terms:
-39 = 24 + 6u + 3u

Combine like terms: 6u + 3u = 9u
-39 = 24 + 9u

Solving
-39 = 24 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-39 + -9u = 24 + 9u + -9u

Combine like terms: 9u + -9u = 0
-39 + -9u = 24 + 0
-39 + -9u = 24

Add '39' to each side of the equation.
-39 + 39 + -9u = 24 + 39

Combine like terms: -39 + 39 = 0
0 + -9u = 24 + 39
-9u = 24 + 39

Combine like terms: 24 + 39 = 63
-9u = 63

Divide each side by '-9'.
u = -7

Simplifying
u = -7

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