40+4y-12=15y-12-3y

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Solution for 40+4y-12=15y-12-3y equation: 


Simplifying
40 + 4y + -12 = 15y + -12 + -3y

Reorder the terms:
40 + -12 + 4y = 15y + -12 + -3y

Combine like terms: 40 + -12 = 28
28 + 4y = 15y + -12 + -3y

Reorder the terms:
28 + 4y = -12 + 15y + -3y

Combine like terms: 15y + -3y = 12y
28 + 4y = -12 + 12y

Solving
28 + 4y = -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.
28 + 4y + -12y = -12 + 12y + -12y

Combine like terms: 4y + -12y = -8y
28 + -8y = -12 + 12y + -12y

Combine like terms: 12y + -12y = 0
28 + -8y = -12 + 0
28 + -8y = -12

Add '-28' to each side of the equation.
28 + -28 + -8y = -12 + -28

Combine like terms: 28 + -28 = 0
0 + -8y = -12 + -28
-8y = -12 + -28

Combine like terms: -12 + -28 = -40
-8y = -40

Divide each side by '-8'.
y = 5

Simplifying
y = 5

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