-2(-6y-u)-3(-u-3y)=

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Solution for -2(-6y-u)-3(-u-3y)= equation:


Simplifying
-2(-6y + -1u) + -3(-1u + -3y) = 0

Reorder the terms:
-2(-1u + -6y) + -3(-1u + -3y) = 0
(-1u * -2 + -6y * -2) + -3(-1u + -3y) = 0
(2u + 12y) + -3(-1u + -3y) = 0
2u + 12y + (-1u * -3 + -3y * -3) = 0
2u + 12y + (3u + 9y) = 0

Reorder the terms:
2u + 3u + 12y + 9y = 0

Combine like terms: 2u + 3u = 5u
5u + 12y + 9y = 0

Combine like terms: 12y + 9y = 21y
5u + 21y = 0

Solving
5u + 21y = 0

Solving for variable 'u'.

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

Add '-21y' to each side of the equation.
5u + 21y + -21y = 0 + -21y

Combine like terms: 21y + -21y = 0
5u + 0 = 0 + -21y
5u = 0 + -21y
Remove the zero:
5u = -21y

Divide each side by '5'.
u = -4.2y

Simplifying
u = -4.2y

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