31=4+9y

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Solution for 31=4+9y equation:


Simplifying
31 = 4 + 9y

Solving
31 = 4 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
31 + -9y = 4 + 9y + -9y

Combine like terms: 9y + -9y = 0
31 + -9y = 4 + 0
31 + -9y = 4

Add '-31' to each side of the equation.
31 + -31 + -9y = 4 + -31

Combine like terms: 31 + -31 = 0
0 + -9y = 4 + -31
-9y = 4 + -31

Combine like terms: 4 + -31 = -27
-9y = -27

Divide each side by '-9'.
y = 3

Simplifying
y = 3

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