-9(6+u)-20=-10

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Solution for -9(6+u)-20=-10 equation: 


Simplifying
-9(6 + u) + -20 = -10
(6 * -9 + u * -9) + -20 = -10
(-54 + -9u) + -20 = -10

Reorder the terms:
-54 + -20 + -9u = -10

Combine like terms: -54 + -20 = -74
-74 + -9u = -10

Solving
-74 + -9u = -10

Solving for variable 'u'.

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

Add '74' to each side of the equation.
-74 + 74 + -9u = -10 + 74

Combine like terms: -74 + 74 = 0
0 + -9u = -10 + 74
-9u = -10 + 74

Combine like terms: -10 + 74 = 64
-9u = 64

Divide each side by '-9'.
u = -7.111111111

Simplifying
u = -7.111111111

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