4=4-2y

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Solution for 4=4-2y equation:


Simplifying
4 = 4 + -2y

Add '-4' to each side of the equation.
4 + -4 = 4 + -4 + -2y

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

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

Solving
0 = -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.
0 + 2y = -2y + 2y
Remove the zero:
2y = -2y + 2y

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

Divide each side by '2'.
y = 0

Simplifying
y = 0

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