(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 = 35
7u = 35

Divide each side by '7'.
u = 5

Simplifying
u = 5

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