20=3(u+3)+5

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Solution for 20=3(u+3)+5 equation: 


Simplifying
20 = 3(u + 3) + 5

Reorder the terms:
20 = 3(3 + u) + 5
20 = (3 * 3 + u * 3) + 5
20 = (9 + 3u) + 5

Reorder the terms:
20 = 9 + 5 + 3u

Combine like terms: 9 + 5 = 14
20 = 14 + 3u

Solving
20 = 14 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
20 + -3u = 14 + 3u + -3u

Combine like terms: 3u + -3u = 0
20 + -3u = 14 + 0
20 + -3u = 14

Add '-20' to each side of the equation.
20 + -20 + -3u = 14 + -20

Combine like terms: 20 + -20 = 0
0 + -3u = 14 + -20
-3u = 14 + -20

Combine like terms: 14 + -20 = -6
-3u = -6

Divide each side by '-3'.
u = 2

Simplifying
u = 2

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