3(-x-2y)-4(-7y-7x)=

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Solution for 3(-x-2y)-4(-7y-7x)= equation:


Simplifying
3(-1x + -2y) + -4(-7y + -7x) = 0
(-1x * 3 + -2y * 3) + -4(-7y + -7x) = 0
(-3x + -6y) + -4(-7y + -7x) = 0

Reorder the terms:
-3x + -6y + -4(-7x + -7y) = 0
-3x + -6y + (-7x * -4 + -7y * -4) = 0
-3x + -6y + (28x + 28y) = 0

Reorder the terms:
-3x + 28x + -6y + 28y = 0

Combine like terms: -3x + 28x = 25x
25x + -6y + 28y = 0

Combine like terms: -6y + 28y = 22y
25x + 22y = 0

Solving
25x + 22y = 0

Solving for variable 'x'.

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

Add '-22y' to each side of the equation.
25x + 22y + -22y = 0 + -22y

Combine like terms: 22y + -22y = 0
25x + 0 = 0 + -22y
25x = 0 + -22y
Remove the zero:
25x = -22y

Divide each side by '25'.
x = -0.88y

Simplifying
x = -0.88y

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