-3(y+u)+3(3u-5y)=

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Solution for -3(y+u)+3(3u-5y)= equation:


Simplifying
-3(y + u) + 3(3u + -5y) = 0

Reorder the terms:
-3(u + y) + 3(3u + -5y) = 0
(u * -3 + y * -3) + 3(3u + -5y) = 0
(-3u + -3y) + 3(3u + -5y) = 0
-3u + -3y + (3u * 3 + -5y * 3) = 0
-3u + -3y + (9u + -15y) = 0

Reorder the terms:
-3u + 9u + -3y + -15y = 0

Combine like terms: -3u + 9u = 6u
6u + -3y + -15y = 0

Combine like terms: -3y + -15y = -18y
6u + -18y = 0

Solving
6u + -18y = 0

Solving for variable 'u'.

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

Add '18y' to each side of the equation.
6u + -18y + 18y = 0 + 18y

Combine like terms: -18y + 18y = 0
6u + 0 = 0 + 18y
6u = 0 + 18y
Remove the zero:
6u = 18y

Divide each side by '6'.
u = 3y

Simplifying
u = 3y

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