6y+9=18y-3y+18

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


Simplifying
6y + 9 = 18y + -3y + 18

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

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

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

Solving
9 + 6y = 18 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
9 + 6y + -15y = 18 + 15y + -15y

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

Combine like terms: 15y + -15y = 0
9 + -9y = 18 + 0
9 + -9y = 18

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

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

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

Divide each side by '-9'.
y = -1

Simplifying
y = -1

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