40+4y-9=12y-11-2y

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Solution for 40+4y-9=12y-11-2y equation:


Simplifying
40 + 4y + -9 = 12y + -11 + -2y

Reorder the terms:
40 + -9 + 4y = 12y + -11 + -2y

Combine like terms: 40 + -9 = 31
31 + 4y = 12y + -11 + -2y

Reorder the terms:
31 + 4y = -11 + 12y + -2y

Combine like terms: 12y + -2y = 10y
31 + 4y = -11 + 10y

Solving
31 + 4y = -11 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
31 + 4y + -10y = -11 + 10y + -10y

Combine like terms: 4y + -10y = -6y
31 + -6y = -11 + 10y + -10y

Combine like terms: 10y + -10y = 0
31 + -6y = -11 + 0
31 + -6y = -11

Add '-31' to each side of the equation.
31 + -31 + -6y = -11 + -31

Combine like terms: 31 + -31 = 0
0 + -6y = -11 + -31
-6y = -11 + -31

Combine like terms: -11 + -31 = -42
-6y = -42

Divide each side by '-6'.
y = 7

Simplifying
y = 7

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