6-3y+9=-18

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


Simplifying
6 + -3y + 9 = -18

Reorder the terms:
6 + 9 + -3y = -18

Combine like terms: 6 + 9 = 15
15 + -3y = -18

Solving
15 + -3y = -18

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -3y = -18 + -15

Combine like terms: 15 + -15 = 0
0 + -3y = -18 + -15
-3y = -18 + -15

Combine like terms: -18 + -15 = -33
-3y = -33

Divide each side by '-3'.
y = 11

Simplifying
y = 11

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