-1+y=3

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Solution for -1+y=3 equation: 


Simplifying
-1 + y = 3

Solving
-1 + y = 3

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + y = 3 + 1

Combine like terms: -1 + 1 = 0
0 + y = 3 + 1
y = 3 + 1

Combine like terms: 3 + 1 = 4
y = 4

Simplifying
y = 4

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