(u-3)7=56

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Solution for (u-3)7=56 equation:


Simplifying
(u + -3) * 7 = 56

Reorder the terms:
(-3 + u) * 7 = 56

Reorder the terms for easier multiplication:
7(-3 + u) = 56
(-3 * 7 + u * 7) = 56
(-21 + 7u) = 56

Solving
-21 + 7u = 56

Solving for variable 'u'.

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

Add '21' to each side of the equation.
-21 + 21 + 7u = 56 + 21

Combine like terms: -21 + 21 = 0
0 + 7u = 56 + 21
7u = 56 + 21

Combine like terms: 56 + 21 = 77
7u = 77

Divide each side by '7'.
u = 11

Simplifying
u = 11

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