7(7-3u)=

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


Simplifying
7(7 + -3u) = 0
(7 * 7 + -3u * 7) = 0
(49 + -21u) = 0

Solving
49 + -21u = 0

Solving for variable 'u'.

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

Add '-49' to each side of the equation.
49 + -49 + -21u = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -21u = 0 + -49
-21u = 0 + -49

Combine like terms: 0 + -49 = -49
-21u = -49

Divide each side by '-21'.
u = 2.333333333

Simplifying
u = 2.333333333

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