4(-9y-3u)=3(-5u-13)

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Solution for 4(-9y-3u)=3(-5u-13) equation:


Simplifying
4(-9y + -3u) = 3(-5u + -13)

Reorder the terms:
4(-3u + -9y) = 3(-5u + -13)
(-3u * 4 + -9y * 4) = 3(-5u + -13)
(-12u + -36y) = 3(-5u + -13)

Reorder the terms:
-12u + -36y = 3(-13 + -5u)
-12u + -36y = (-13 * 3 + -5u * 3)
-12u + -36y = (-39 + -15u)

Solving
-12u + -36y = -39 + -15u

Solving for variable 'u'.

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

Add '15u' to each side of the equation.
-12u + 15u + -36y = -39 + -15u + 15u

Combine like terms: -12u + 15u = 3u
3u + -36y = -39 + -15u + 15u

Combine like terms: -15u + 15u = 0
3u + -36y = -39 + 0
3u + -36y = -39

Add '36y' to each side of the equation.
3u + -36y + 36y = -39 + 36y

Combine like terms: -36y + 36y = 0
3u + 0 = -39 + 36y
3u = -39 + 36y

Divide each side by '3'.
u = -13 + 12y

Simplifying
u = -13 + 12y

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