y=2(9+-1y)-3

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Solution for y=2(9+-1y)-3 equation:


Simplifying
y = 2(9 + -1y) + -3
y = (9 * 2 + -1y * 2) + -3
y = (18 + -2y) + -3

Reorder the terms:
y = 18 + -3 + -2y

Combine like terms: 18 + -3 = 15
y = 15 + -2y

Solving
y = 15 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
y + 2y = 15 + -2y + 2y

Combine like terms: y + 2y = 3y
3y = 15 + -2y + 2y

Combine like terms: -2y + 2y = 0
3y = 15 + 0
3y = 15

Divide each side by '3'.
y = 5

Simplifying
y = 5

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