y=(3-y)-1

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Solution for y=(3-y)-1 equation: 


Simplifying
y = (3 + -1y) + -1

Remove parenthesis around (3 + -1y)
y = 3 + -1y + -1

Reorder the terms:
y = 3 + -1 + -1y

Combine like terms: 3 + -1 = 2
y = 2 + -1y

Solving
y = 2 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
y + y = 2 + -1y + y

Combine like terms: y + y = 2y
2y = 2 + -1y + y

Combine like terms: -1y + y = 0
2y = 2 + 0
2y = 2

Divide each side by '2'.
y = 1

Simplifying
y = 1

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