12y-4=9y-1

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Solution for 12y-4=9y-1 equation:


Simplifying
12y + -4 = 9y + -1

Reorder the terms:
-4 + 12y = 9y + -1

Reorder the terms:
-4 + 12y = -1 + 9y

Solving
-4 + 12y = -1 + 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.
-4 + 12y + -9y = -1 + 9y + -9y

Combine like terms: 12y + -9y = 3y
-4 + 3y = -1 + 9y + -9y

Combine like terms: 9y + -9y = 0
-4 + 3y = -1 + 0
-4 + 3y = -1

Add '4' to each side of the equation.
-4 + 4 + 3y = -1 + 4

Combine like terms: -4 + 4 = 0
0 + 3y = -1 + 4
3y = -1 + 4

Combine like terms: -1 + 4 = 3
3y = 3

Divide each side by '3'.
y = 1

Simplifying
y = 1

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