3(7+6u)+5u=

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Solution for 3(7+6u)+5u= equation:


Simplifying
3(7 + 6u) + 5u = 0
(7 * 3 + 6u * 3) + 5u = 0
(21 + 18u) + 5u = 0

Combine like terms: 18u + 5u = 23u
21 + 23u = 0

Solving
21 + 23u = 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 + 23u = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 23u = 0 + -21
23u = 0 + -21

Combine like terms: 0 + -21 = -21
23u = -21

Divide each side by '23'.
u = -0.9130434783

Simplifying
u = -0.9130434783

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