3(u-15)-4=5

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Solution for 3(u-15)-4=5 equation: 


Simplifying
3(u + -15) + -4 = 5

Reorder the terms:
3(-15 + u) + -4 = 5
(-15 * 3 + u * 3) + -4 = 5
(-45 + 3u) + -4 = 5

Reorder the terms:
-45 + -4 + 3u = 5

Combine like terms: -45 + -4 = -49
-49 + 3u = 5

Solving
-49 + 3u = 5

Solving for variable 'u'.

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

Add '49' to each side of the equation.
-49 + 49 + 3u = 5 + 49

Combine like terms: -49 + 49 = 0
0 + 3u = 5 + 49
3u = 5 + 49

Combine like terms: 5 + 49 = 54
3u = 54

Divide each side by '3'.
u = 18

Simplifying
u = 18

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