21y-48=-3y

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Solution for 21y-48=-3y equation:


Simplifying
21y + -48 = -3y

Reorder the terms:
-48 + 21y = -3y

Solving
-48 + 21y = -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-48 + 21y + 3y = -3y + 3y

Combine like terms: 21y + 3y = 24y
-48 + 24y = -3y + 3y

Combine like terms: -3y + 3y = 0
-48 + 24y = 0

Add '48' to each side of the equation.
-48 + 48 + 24y = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 24y = 0 + 48
24y = 0 + 48

Combine like terms: 0 + 48 = 48
24y = 48

Divide each side by '24'.
y = 2

Simplifying
y = 2

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