-9[6+u]-2u=-10

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Solution for -9[6+u]-2u=-10 equation: 


Simplifying
-9[6 + u] + -2u = -10
[6 * -9 + u * -9] + -2u = -10
[-54 + -9u] + -2u = -10

Combine like terms: -9u + -2u = -11u
-54 + -11u = -10

Solving
-54 + -11u = -10

Solving for variable 'u'.

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

Add '54' to each side of the equation.
-54 + 54 + -11u = -10 + 54

Combine like terms: -54 + 54 = 0
0 + -11u = -10 + 54
-11u = -10 + 54

Combine like terms: -10 + 54 = 44
-11u = 44

Divide each side by '-11'.
u = -4

Simplifying
u = -4

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