y=4-y

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Solution for y=4-y equation:


Simplifying
y = 4 + -1y

Solving
y = 4 + -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 = 4 + -1y + y

Combine like terms: y + y = 2y
2y = 4 + -1y + y

Combine like terms: -1y + y = 0
2y = 4 + 0
2y = 4

Divide each side by '2'.
y = 2

Simplifying
y = 2

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