4-(9y)=31

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Solution for 4-(9y)=31 equation: 


Simplifying
4 + -1(9y) = 31

Remove parenthesis around (9y)
4 + -1 * 9y = 31

Multiply -1 * 9
4 + -9y = 31

Solving
4 + -9y = 31

Solving for variable 'y'.

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

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

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

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

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

Simplifying
y = -3

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