-2y-4=20-4y

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Solution for -2y-4=20-4y equation:


Simplifying
-2y + -4 = 20 + -4y

Reorder the terms:
-4 + -2y = 20 + -4y

Solving
-4 + -2y = 20 + -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.
-4 + -2y + 4y = 20 + -4y + 4y

Combine like terms: -2y + 4y = 2y
-4 + 2y = 20 + -4y + 4y

Combine like terms: -4y + 4y = 0
-4 + 2y = 20 + 0
-4 + 2y = 20

Add '4' to each side of the equation.
-4 + 4 + 2y = 20 + 4

Combine like terms: -4 + 4 = 0
0 + 2y = 20 + 4
2y = 20 + 4

Combine like terms: 20 + 4 = 24
2y = 24

Divide each side by '2'.
y = 12

Simplifying
y = 12

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