3(u+2)-3=15

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Solution for 3(u+2)-3=15 equation:


Simplifying
3(u + 2) + -3 = 15

Reorder the terms:
3(2 + u) + -3 = 15
(2 * 3 + u * 3) + -3 = 15
(6 + 3u) + -3 = 15

Reorder the terms:
6 + -3 + 3u = 15

Combine like terms: 6 + -3 = 3
3 + 3u = 15

Solving
3 + 3u = 15

Solving for variable 'u'.

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

Add '-3' to each side of the equation.
3 + -3 + 3u = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 3u = 15 + -3
3u = 15 + -3

Combine like terms: 15 + -3 = 12
3u = 12

Divide each side by '3'.
u = 4

Simplifying
u = 4

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