3y+21=27

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Solution for 3y+21=27 equation: 


Simplifying
3y + 21 = 27

Reorder the terms:
21 + 3y = 27

Solving
21 + 3y = 27

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 3y = 27 + -21

Combine like terms: 21 + -21 = 0
0 + 3y = 27 + -21
3y = 27 + -21

Combine like terms: 27 + -21 = 6
3y = 6

Divide each side by '3'.
y = 2

Simplifying
y = 2

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