2(20-2y)=40

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Solution for 2(20-2y)=40 equation: 


Simplifying
2(20 + -2y) = 40
(20 * 2 + -2y * 2) = 40
(40 + -4y) = 40

Add '-40' to each side of the equation.
40 + -40 + -4y = 40 + -40

Combine like terms: 40 + -40 = 0
0 + -4y = 40 + -40
-4y = 40 + -40

Combine like terms: 40 + -40 = 0
-4y = 0

Solving
-4y = 0

Solving for variable 'y'.

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

Divide each side by '-4'.
y = 0

Simplifying
y = 0

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