3y+18=3(2y+3)

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Solution for 3y+18=3(2y+3) equation:


Simplifying
3y + 18 = 3(2y + 3)

Reorder the terms:
18 + 3y = 3(2y + 3)

Reorder the terms:
18 + 3y = 3(3 + 2y)
18 + 3y = (3 * 3 + 2y * 3)
18 + 3y = (9 + 6y)

Solving
18 + 3y = 9 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
18 + 3y + -6y = 9 + 6y + -6y

Combine like terms: 3y + -6y = -3y
18 + -3y = 9 + 6y + -6y

Combine like terms: 6y + -6y = 0
18 + -3y = 9 + 0
18 + -3y = 9

Add '-18' to each side of the equation.
18 + -18 + -3y = 9 + -18

Combine like terms: 18 + -18 = 0
0 + -3y = 9 + -18
-3y = 9 + -18

Combine like terms: 9 + -18 = -9
-3y = -9

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

Simplifying
y = 3

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