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

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


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

Reorder the terms:
-8(-8 + u) = 3u + 9
(-8 * -8 + u * -8) = 3u + 9
(64 + -8u) = 3u + 9

Reorder the terms:
64 + -8u = 9 + 3u

Solving
64 + -8u = 9 + 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.
64 + -8u + -3u = 9 + 3u + -3u

Combine like terms: -8u + -3u = -11u
64 + -11u = 9 + 3u + -3u

Combine like terms: 3u + -3u = 0
64 + -11u = 9 + 0
64 + -11u = 9

Add '-64' to each side of the equation.
64 + -64 + -11u = 9 + -64

Combine like terms: 64 + -64 = 0
0 + -11u = 9 + -64
-11u = 9 + -64

Combine like terms: 9 + -64 = -55
-11u = -55

Divide each side by '-11'.
u = 5

Simplifying
u = 5

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