7(u+3)=

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Solution for 7(u+3)= equation: 


Simplifying
7(u + 3) = 0

Reorder the terms:
7(3 + u) = 0
(3 * 7 + u * 7) = 0
(21 + 7u) = 0

Solving
21 + 7u = 0

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 = 0 + -21

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

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

Divide each side by '7'.
u = -3

Simplifying
u = -3

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