3y-40=12y+40

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Solution for 3y-40=12y+40 equation:


Simplifying
3y + -40 = 12y + 40

Reorder the terms:
-40 + 3y = 12y + 40

Reorder the terms:
-40 + 3y = 40 + 12y

Solving
-40 + 3y = 40 + 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.
-40 + 3y + -12y = 40 + 12y + -12y

Combine like terms: 3y + -12y = -9y
-40 + -9y = 40 + 12y + -12y

Combine like terms: 12y + -12y = 0
-40 + -9y = 40 + 0
-40 + -9y = 40

Add '40' to each side of the equation.
-40 + 40 + -9y = 40 + 40

Combine like terms: -40 + 40 = 0
0 + -9y = 40 + 40
-9y = 40 + 40

Combine like terms: 40 + 40 = 80
-9y = 80

Divide each side by '-9'.
y = -8.888888889

Simplifying
y = -8.888888889

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