-8(u+9)=3u+5

Solution for -8(u+9)=3u+5 equation:

Simplifying
-8(u + 9) = 3u + 5

Reorder the terms:
-8(9 + u) = 3u + 5
(9 * -8 + u * -8) = 3u + 5
(-72 + -8u) = 3u + 5

Reorder the terms:
-72 + -8u = 5 + 3u

Solving
-72 + -8u = 5 + 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.
-72 + -8u + -3u = 5 + 3u + -3u

Combine like terms: -8u + -3u = -11u
-72 + -11u = 5 + 3u + -3u

Combine like terms: 3u + -3u = 0
-72 + -11u = 5 + 0
-72 + -11u = 5

Add '72' to each side of the equation.
-72 + 72 + -11u = 5 + 72

Combine like terms: -72 + 72 = 0
0 + -11u = 5 + 72
-11u = 5 + 72

Combine like terms: 5 + 72 = 77
-11u = 77

Divide each side by '-11'.
u = -7

Simplifying
u = -7