(y-3)-4y=0

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Solution for (y-3)-4y=0 equation:


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

Reorder the terms:
(-3 + y) + -4y = 0

Remove parenthesis around (-3 + y)
-3 + y + -4y = 0

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

Solving
-3 + -3y = 0

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + -3y = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -3y = 0 + 3
-3y = 0 + 3

Combine like terms: 0 + 3 = 3
-3y = 3

Divide each side by '-3'.
y = -1

Simplifying
y = -1

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