47=4u-9

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Solution for 47=4u-9 equation:


Simplifying
47 = 4u + -9

Reorder the terms:
47 = -9 + 4u

Solving
47 = -9 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
47 + -4u = -9 + 4u + -4u

Combine like terms: 4u + -4u = 0
47 + -4u = -9 + 0
47 + -4u = -9

Add '-47' to each side of the equation.
47 + -47 + -4u = -9 + -47

Combine like terms: 47 + -47 = 0
0 + -4u = -9 + -47
-4u = -9 + -47

Combine like terms: -9 + -47 = -56
-4u = -56

Divide each side by '-4'.
u = 14

Simplifying
u = 14

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