31-3y=4

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Solution for 31-3y=4 equation: 


Simplifying
31 + -3y = 4

Solving
31 + -3y = 4

Solving for variable 'y'.

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

Add '-31' to each side of the equation.
31 + -31 + -3y = 4 + -31

Combine like terms: 31 + -31 = 0
0 + -3y = 4 + -31
-3y = 4 + -31

Combine like terms: 4 + -31 = -27
-3y = -27

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

Simplifying
y = 9

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