3=1-2y

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Solution for 3=1-2y equation:


Simplifying
3 = 1 + -2y

Solving
3 = 1 + -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.
3 + 2y = 1 + -2y + 2y

Combine like terms: -2y + 2y = 0
3 + 2y = 1 + 0
3 + 2y = 1

Add '-3' to each side of the equation.
3 + -3 + 2y = 1 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = 1 + -3
2y = 1 + -3

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

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

Simplifying
y = -1

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