3y-48=21

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Solution for 3y-48=21 equation: 


Simplifying
3y + -48 = 21

Reorder the terms:
-48 + 3y = 21

Solving
-48 + 3y = 21

Solving for variable 'y'.

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

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

Combine like terms: -48 + 48 = 0
0 + 3y = 21 + 48
3y = 21 + 48

Combine like terms: 21 + 48 = 69
3y = 69

Divide each side by '3'.
y = 23

Simplifying
y = 23

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