24=3y+21

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Solution for 24=3y+21 equation:


Simplifying
24 = 3y + 21

Reorder the terms:
24 = 21 + 3y

Solving
24 = 21 + 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.
24 + -3y = 21 + 3y + -3y

Combine like terms: 3y + -3y = 0
24 + -3y = 21 + 0
24 + -3y = 21

Add '-24' to each side of the equation.
24 + -24 + -3y = 21 + -24

Combine like terms: 24 + -24 = 0
0 + -3y = 21 + -24
-3y = 21 + -24

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

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

Simplifying
y = 1

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