(9y-18)+4=31

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Solution for (9y-18)+4=31 equation:


Simplifying
(9y + -18) + 4 = 31

Reorder the terms:
(-18 + 9y) + 4 = 31

Remove parenthesis around (-18 + 9y)
-18 + 9y + 4 = 31

Reorder the terms:
-18 + 4 + 9y = 31

Combine like terms: -18 + 4 = -14
-14 + 9y = 31

Solving
-14 + 9y = 31

Solving for variable 'y'.

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

Add '14' to each side of the equation.
-14 + 14 + 9y = 31 + 14

Combine like terms: -14 + 14 = 0
0 + 9y = 31 + 14
9y = 31 + 14

Combine like terms: 31 + 14 = 45
9y = 45

Divide each side by '9'.
y = 5

Simplifying
y = 5

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