4y-9+2=31

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Solution for 4y-9+2=31 equation: 


Simplifying
4y + -9 + 2 = 31

Reorder the terms:
-9 + 2 + 4y = 31

Combine like terms: -9 + 2 = -7
-7 + 4y = 31

Solving
-7 + 4y = 31

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + 4y = 31 + 7

Combine like terms: -7 + 7 = 0
0 + 4y = 31 + 7
4y = 31 + 7

Combine like terms: 31 + 7 = 38
4y = 38

Divide each side by '4'.
y = 9.5

Simplifying
y = 9.5

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