3(3u+7)=102

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Solution for 3(3u+7)=102 equation:


Simplifying
3(3u + 7) = 102

Reorder the terms:
3(7 + 3u) = 102
(7 * 3 + 3u * 3) = 102
(21 + 9u) = 102

Solving
21 + 9u = 102

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 + 9u = 102 + -21

Combine like terms: 21 + -21 = 0
0 + 9u = 102 + -21
9u = 102 + -21

Combine like terms: 102 + -21 = 81
9u = 81

Divide each side by '9'.
u = 9

Simplifying
u = 9

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