(u-9)*10=30

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Solution for (u-9)*10=30 equation:


Simplifying
(u + -9) * 10 = 30

Reorder the terms:
(-9 + u) * 10 = 30

Reorder the terms for easier multiplication:
10(-9 + u) = 30
(-9 * 10 + u * 10) = 30
(-90 + 10u) = 30

Solving
-90 + 10u = 30

Solving for variable 'u'.

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

Add '90' to each side of the equation.
-90 + 90 + 10u = 30 + 90

Combine like terms: -90 + 90 = 0
0 + 10u = 30 + 90
10u = 30 + 90

Combine like terms: 30 + 90 = 120
10u = 120

Divide each side by '10'.
u = 12

Simplifying
u = 12

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