12y-7=9y-11

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Solution for 12y-7=9y-11 equation:


Simplifying
12y + -7 = 9y + -11

Reorder the terms:
-7 + 12y = 9y + -11

Reorder the terms:
-7 + 12y = -11 + 9y

Solving
-7 + 12y = -11 + 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.
-7 + 12y + -9y = -11 + 9y + -9y

Combine like terms: 12y + -9y = 3y
-7 + 3y = -11 + 9y + -9y

Combine like terms: 9y + -9y = 0
-7 + 3y = -11 + 0
-7 + 3y = -11

Add '7' to each side of the equation.
-7 + 7 + 3y = -11 + 7

Combine like terms: -7 + 7 = 0
0 + 3y = -11 + 7
3y = -11 + 7

Combine like terms: -11 + 7 = -4
3y = -4

Divide each side by '3'.
y = -1.333333333

Simplifying
y = -1.333333333

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