3z-4y=20

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Solution for 3z-4y=20 equation: 


Simplifying
3z + -4y = 20

Reorder the terms:
-4y + 3z = 20

Solving
-4y + 3z = 20

Solving for variable 'y'.

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

Add '-3z' to each side of the equation.
-4y + 3z + -3z = 20 + -3z

Combine like terms: 3z + -3z = 0
-4y + 0 = 20 + -3z
-4y = 20 + -3z

Divide each side by '-4'.
y = -5 + 0.75z

Simplifying
y = -5 + 0.75z

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