40+y=9

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Solution for 40+y=9 equation: 


Simplifying
40 + y = 9

Solving
40 + y = 9

Solving for variable 'y'.

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

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

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

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

Simplifying
y = -31

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