3(u+7)-6u=-6

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


Simplifying
3(u + 7) + -6u = -6

Reorder the terms:
3(7 + u) + -6u = -6
(7 * 3 + u * 3) + -6u = -6
(21 + 3u) + -6u = -6

Combine like terms: 3u + -6u = -3u
21 + -3u = -6

Solving
21 + -3u = -6

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 + -3u = -6 + -21

Combine like terms: 21 + -21 = 0
0 + -3u = -6 + -21
-3u = -6 + -21

Combine like terms: -6 + -21 = -27
-3u = -27

Divide each side by '-3'.
u = 9

Simplifying
u = 9

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