12y-1=3y-8

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Solution for 12y-1=3y-8 equation:


Simplifying
12y + -1 = 3y + -8

Reorder the terms:
-1 + 12y = 3y + -8

Reorder the terms:
-1 + 12y = -8 + 3y

Solving
-1 + 12y = -8 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-1 + 12y + -3y = -8 + 3y + -3y

Combine like terms: 12y + -3y = 9y
-1 + 9y = -8 + 3y + -3y

Combine like terms: 3y + -3y = 0
-1 + 9y = -8 + 0
-1 + 9y = -8

Add '1' to each side of the equation.
-1 + 1 + 9y = -8 + 1

Combine like terms: -1 + 1 = 0
0 + 9y = -8 + 1
9y = -8 + 1

Combine like terms: -8 + 1 = -7
9y = -7

Divide each side by '9'.
y = -0.7777777778

Simplifying
y = -0.7777777778

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