-7y-3(4z-4y)-3z=

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Solution for -7y-3(4z-4y)-3z= equation:


Simplifying
-7y + -3(4z + -4y) + -3z = 0

Reorder the terms:
-7y + -3(-4y + 4z) + -3z = 0
-7y + (-4y * -3 + 4z * -3) + -3z = 0
-7y + (12y + -12z) + -3z = 0

Combine like terms: -7y + 12y = 5y
5y + -12z + -3z = 0

Combine like terms: -12z + -3z = -15z
5y + -15z = 0

Solving
5y + -15z = 0

Solving for variable 'y'.

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

Add '15z' to each side of the equation.
5y + -15z + 15z = 0 + 15z

Combine like terms: -15z + 15z = 0
5y + 0 = 0 + 15z
5y = 0 + 15z
Remove the zero:
5y = 15z

Divide each side by '5'.
y = 3z

Simplifying
y = 3z

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