20-6y-18=-19-9y

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Solution for 20-6y-18=-19-9y equation:


Simplifying
20 + -6y + -18 = -19 + -9y

Reorder the terms:
20 + -18 + -6y = -19 + -9y

Combine like terms: 20 + -18 = 2
2 + -6y = -19 + -9y

Solving
2 + -6y = -19 + -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.
2 + -6y + 9y = -19 + -9y + 9y

Combine like terms: -6y + 9y = 3y
2 + 3y = -19 + -9y + 9y

Combine like terms: -9y + 9y = 0
2 + 3y = -19 + 0
2 + 3y = -19

Add '-2' to each side of the equation.
2 + -2 + 3y = -19 + -2

Combine like terms: 2 + -2 = 0
0 + 3y = -19 + -2
3y = -19 + -2

Combine like terms: -19 + -2 = -21
3y = -21

Divide each side by '3'.
y = -7

Simplifying
y = -7

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