-2(x-4y)=20

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Solution for -2(x-4y)=20 equation: 


Simplifying
-2(x + -4y) = 20
(x * -2 + -4y * -2) = 20
(-2x + 8y) = 20

Solving
-2x + 8y = 20

Solving for variable 'x'.

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

Add '-8y' to each side of the equation.
-2x + 8y + -8y = 20 + -8y

Combine like terms: 8y + -8y = 0
-2x + 0 = 20 + -8y
-2x = 20 + -8y

Divide each side by '-2'.
x = -10 + 4y

Simplifying
x = -10 + 4y

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