-2y=-4y-42

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Solution for -2y=-4y-42 equation: 


Simplifying
-2y = -4y + -42

Reorder the terms:
-2y = -42 + -4y

Solving
-2y = -42 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-2y + 4y = -42 + -4y + 4y

Combine like terms: -2y + 4y = 2y
2y = -42 + -4y + 4y

Combine like terms: -4y + 4y = 0
2y = -42 + 0
2y = -42

Divide each side by '2'.
y = -21

Simplifying
y = -21

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