(u-9)8=64

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Solution for (u-9)8=64 equation:


Simplifying
(u + -9) * 8 = 64

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

Reorder the terms for easier multiplication:
8(-9 + u) = 64
(-9 * 8 + u * 8) = 64
(-72 + 8u) = 64

Solving
-72 + 8u = 64

Solving for variable 'u'.

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

Add '72' to each side of the equation.
-72 + 72 + 8u = 64 + 72

Combine like terms: -72 + 72 = 0
0 + 8u = 64 + 72
8u = 64 + 72

Combine like terms: 64 + 72 = 136
8u = 136

Divide each side by '8'.
u = 17

Simplifying
u = 17

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