(u-3)*10=40

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Solution for (u-3)*10=40 equation:


Simplifying
(u + -3) * 10 = 40

Reorder the terms:
(-3 + u) * 10 = 40

Reorder the terms for easier multiplication:
10(-3 + u) = 40
(-3 * 10 + u * 10) = 40
(-30 + 10u) = 40

Solving
-30 + 10u = 40

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + 10u = 40 + 30

Combine like terms: -30 + 30 = 0
0 + 10u = 40 + 30
10u = 40 + 30

Combine like terms: 40 + 30 = 70
10u = 70

Divide each side by '10'.
u = 7

Simplifying
u = 7

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