30+5y-9=15y-11-2y

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Solution for 30+5y-9=15y-11-2y equation:


Simplifying
30 + 5y + -9 = 15y + -11 + -2y

Reorder the terms:
30 + -9 + 5y = 15y + -11 + -2y

Combine like terms: 30 + -9 = 21
21 + 5y = 15y + -11 + -2y

Reorder the terms:
21 + 5y = -11 + 15y + -2y

Combine like terms: 15y + -2y = 13y
21 + 5y = -11 + 13y

Solving
21 + 5y = -11 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
21 + 5y + -13y = -11 + 13y + -13y

Combine like terms: 5y + -13y = -8y
21 + -8y = -11 + 13y + -13y

Combine like terms: 13y + -13y = 0
21 + -8y = -11 + 0
21 + -8y = -11

Add '-21' to each side of the equation.
21 + -21 + -8y = -11 + -21

Combine like terms: 21 + -21 = 0
0 + -8y = -11 + -21
-8y = -11 + -21

Combine like terms: -11 + -21 = -32
-8y = -32

Divide each side by '-8'.
y = 4

Simplifying
y = 4

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