1-3=y

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Solution for 1-3=y equation:


Simplifying
1 + -3 = y

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

Solving
-2 = y

Solving for variable 'y'.

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

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

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

Add '2' to each side of the equation.
-2 + 2 + -1y = 0 + 2

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

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

Divide each side by '-1'.
y = -2

Simplifying
y = -2

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