4y-9+40=5y

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Solution for 4y-9+40=5y equation: 


Simplifying
4y + -9 + 40 = 5y

Reorder the terms:
-9 + 40 + 4y = 5y

Combine like terms: -9 + 40 = 31
31 + 4y = 5y

Solving
31 + 4y = 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
31 + 4y + -5y = 5y + -5y

Combine like terms: 4y + -5y = -1y
31 + -1y = 5y + -5y

Combine like terms: 5y + -5y = 0
31 + -1y = 0

Add '-31' to each side of the equation.
31 + -31 + -1y = 0 + -31

Combine like terms: 31 + -31 = 0
0 + -1y = 0 + -31
-1y = 0 + -31

Combine like terms: 0 + -31 = -31
-1y = -31

Divide each side by '-1'.
y = 31

Simplifying
y = 31

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