66=5u-9

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Solution for 66=5u-9 equation:


Simplifying
66 = 5u + -9

Reorder the terms:
66 = -9 + 5u

Solving
66 = -9 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
66 + -5u = -9 + 5u + -5u

Combine like terms: 5u + -5u = 0
66 + -5u = -9 + 0
66 + -5u = -9

Add '-66' to each side of the equation.
66 + -66 + -5u = -9 + -66

Combine like terms: 66 + -66 = 0
0 + -5u = -9 + -66
-5u = -9 + -66

Combine like terms: -9 + -66 = -75
-5u = -75

Divide each side by '-5'.
u = 15

Simplifying
u = 15

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