12y+12+2y=11y+21

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Solution for 12y+12+2y=11y+21 equation:


Simplifying
12y + 12 + 2y = 11y + 21

Reorder the terms:
12 + 12y + 2y = 11y + 21

Combine like terms: 12y + 2y = 14y
12 + 14y = 11y + 21

Reorder the terms:
12 + 14y = 21 + 11y

Solving
12 + 14y = 21 + 11y

Solving for variable 'y'.

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

Add '-11y' to each side of the equation.
12 + 14y + -11y = 21 + 11y + -11y

Combine like terms: 14y + -11y = 3y
12 + 3y = 21 + 11y + -11y

Combine like terms: 11y + -11y = 0
12 + 3y = 21 + 0
12 + 3y = 21

Add '-12' to each side of the equation.
12 + -12 + 3y = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 3y = 21 + -12
3y = 21 + -12

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

Divide each side by '3'.
y = 3

Simplifying
y = 3

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