6(y+9)-12-3y=-18

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Solution for 6(y+9)-12-3y=-18 equation:


Simplifying
6(y + 9) + -12 + -3y = -18

Reorder the terms:
6(9 + y) + -12 + -3y = -18
(9 * 6 + y * 6) + -12 + -3y = -18
(54 + 6y) + -12 + -3y = -18

Reorder the terms:
54 + -12 + 6y + -3y = -18

Combine like terms: 54 + -12 = 42
42 + 6y + -3y = -18

Combine like terms: 6y + -3y = 3y
42 + 3y = -18

Solving
42 + 3y = -18

Solving for variable 'y'.

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

Add '-42' to each side of the equation.
42 + -42 + 3y = -18 + -42

Combine like terms: 42 + -42 = 0
0 + 3y = -18 + -42
3y = -18 + -42

Combine like terms: -18 + -42 = -60
3y = -60

Divide each side by '3'.
y = -20

Simplifying
y = -20

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