39=17u-4u

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Solution for 39=17u-4u equation:


Simplifying
39 = 17u + -4u

Combine like terms: 17u + -4u = 13u
39 = 13u

Solving
39 = 13u

Solving for variable 'u'.

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

Add '-13u' to each side of the equation.
39 + -13u = 13u + -13u

Combine like terms: 13u + -13u = 0
39 + -13u = 0

Add '-39' to each side of the equation.
39 + -39 + -13u = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -13u = 0 + -39
-13u = 0 + -39

Combine like terms: 0 + -39 = -39
-13u = -39

Divide each side by '-13'.
u = 3

Simplifying
u = 3

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