(u+1)*7=28

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Solution for (u+1)*7=28 equation:


Simplifying
(u + 1) * 7 = 28

Reorder the terms:
(1 + u) * 7 = 28

Reorder the terms for easier multiplication:
7(1 + u) = 28
(1 * 7 + u * 7) = 28
(7 + 7u) = 28

Solving
7 + 7u = 28

Solving for variable 'u'.

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

Add '-7' to each side of the equation.
7 + -7 + 7u = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 7u = 28 + -7
7u = 28 + -7

Combine like terms: 28 + -7 = 21
7u = 21

Divide each side by '7'.
u = 3

Simplifying
u = 3

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