9y-1=12+12y

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Solution for 9y-1=12+12y equation:


Simplifying
9y + -1 = 12 + 12y

Reorder the terms:
-1 + 9y = 12 + 12y

Solving
-1 + 9y = 12 + 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.
-1 + 9y + -12y = 12 + 12y + -12y

Combine like terms: 9y + -12y = -3y
-1 + -3y = 12 + 12y + -12y

Combine like terms: 12y + -12y = 0
-1 + -3y = 12 + 0
-1 + -3y = 12

Add '1' to each side of the equation.
-1 + 1 + -3y = 12 + 1

Combine like terms: -1 + 1 = 0
0 + -3y = 12 + 1
-3y = 12 + 1

Combine like terms: 12 + 1 = 13
-3y = 13

Divide each side by '-3'.
y = -4.333333333

Simplifying
y = -4.333333333

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