(u-9)*8=80

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Solution for (u-9)*8=80 equation:


Simplifying
(u + -9) * 8 = 80

Reorder the terms:
(-9 + u) * 8 = 80

Reorder the terms for easier multiplication:
8(-9 + u) = 80
(-9 * 8 + u * 8) = 80
(-72 + 8u) = 80

Solving
-72 + 8u = 80

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 = 80 + 72

Combine like terms: -72 + 72 = 0
0 + 8u = 80 + 72
8u = 80 + 72

Combine like terms: 80 + 72 = 152
8u = 152

Divide each side by '8'.
u = 19

Simplifying
u = 19

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