8y+9=12y-11

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Solution for 8y+9=12y-11 equation:


Simplifying
8y + 9 = 12y + -11

Reorder the terms:
9 + 8y = 12y + -11

Reorder the terms:
9 + 8y = -11 + 12y

Solving
9 + 8y = -11 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
9 + 8y + -12y = -11 + 12y + -12y

Combine like terms: 8y + -12y = -4y
9 + -4y = -11 + 12y + -12y

Combine like terms: 12y + -12y = 0
9 + -4y = -11 + 0
9 + -4y = -11

Add '-9' to each side of the equation.
9 + -9 + -4y = -11 + -9

Combine like terms: 9 + -9 = 0
0 + -4y = -11 + -9
-4y = -11 + -9

Combine like terms: -11 + -9 = -20
-4y = -20

Divide each side by '-4'.
y = 5

Simplifying
y = 5

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