3y+18+24=9y-30-18

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Solution for 3y+18+24=9y-30-18 equation:


Simplifying
3y + 18 + 24 = 9y + -30 + -18

Reorder the terms:
18 + 24 + 3y = 9y + -30 + -18

Combine like terms: 18 + 24 = 42
42 + 3y = 9y + -30 + -18

Reorder the terms:
42 + 3y = -30 + -18 + 9y

Combine like terms: -30 + -18 = -48
42 + 3y = -48 + 9y

Solving
42 + 3y = -48 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
42 + 3y + -9y = -48 + 9y + -9y

Combine like terms: 3y + -9y = -6y
42 + -6y = -48 + 9y + -9y

Combine like terms: 9y + -9y = 0
42 + -6y = -48 + 0
42 + -6y = -48

Add '-42' to each side of the equation.
42 + -42 + -6y = -48 + -42

Combine like terms: 42 + -42 = 0
0 + -6y = -48 + -42
-6y = -48 + -42

Combine like terms: -48 + -42 = -90
-6y = -90

Divide each side by '-6'.
y = 15

Simplifying
y = 15

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