12y+21=9y+46

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Solution for 12y+21=9y+46 equation:


Simplifying
12y + 21 = 9y + 46

Reorder the terms:
21 + 12y = 9y + 46

Reorder the terms:
21 + 12y = 46 + 9y

Solving
21 + 12y = 46 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
21 + 12y + -9y = 46 + 9y + -9y

Combine like terms: 12y + -9y = 3y
21 + 3y = 46 + 9y + -9y

Combine like terms: 9y + -9y = 0
21 + 3y = 46 + 0
21 + 3y = 46

Add '-21' to each side of the equation.
21 + -21 + 3y = 46 + -21

Combine like terms: 21 + -21 = 0
0 + 3y = 46 + -21
3y = 46 + -21

Combine like terms: 46 + -21 = 25
3y = 25

Divide each side by '3'.
y = 8.333333333

Simplifying
y = 8.333333333

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