-2*9=-2(-4x-2y)

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Solution for -2*9=-2(-4x-2y) equation:


Simplifying
-2 * 9 = -2(-4x + -2y)

Multiply -2 * 9
-18 = -2(-4x + -2y)
-18 = (-4x * -2 + -2y * -2)
-18 = (8x + 4y)

Solving
-18 = 8x + 4y

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-18 + -8x = 8x + -8x + 4y

Combine like terms: 8x + -8x = 0
-18 + -8x = 0 + 4y
-18 + -8x = 4y

Add '18' to each side of the equation.
-18 + 18 + -8x = 18 + 4y

Combine like terms: -18 + 18 = 0
0 + -8x = 18 + 4y
-8x = 18 + 4y

Divide each side by '-8'.
x = -2.25 + -0.5y

Simplifying
x = -2.25 + -0.5y

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