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 = 0

Reorder the terms:
40 + -12 + -12 + 4y + 15y + -3y = 0

Combine like terms: 40 + -12 = 28
28 + -12 + 4y + 15y + -3y = 0

Combine like terms: 28 + -12 = 16
16 + 4y + 15y + -3y = 0

Combine like terms: 4y + 15y = 19y
16 + 19y + -3y = 0

Combine like terms: 19y + -3y = 16y
16 + 16y = 0

Solving
16 + 16y = 0

Solving for variable 'y'.

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

Add '-16' to each side of the equation.
16 + -16 + 16y = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 16y = 0 + -16
16y = 0 + -16

Combine like terms: 0 + -16 = -16
16y = -16

Divide each side by '16'.
y = -1

Simplifying
y = -1

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