7(x-y)-5(2x+4y)=

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Solution for 7(x-y)-5(2x+4y)= equation:


Simplifying
7(x + -1y) + -5(2x + 4y) = 0
(x * 7 + -1y * 7) + -5(2x + 4y) = 0
(7x + -7y) + -5(2x + 4y) = 0
7x + -7y + (2x * -5 + 4y * -5) = 0
7x + -7y + (-10x + -20y) = 0

Reorder the terms:
7x + -10x + -7y + -20y = 0

Combine like terms: 7x + -10x = -3x
-3x + -7y + -20y = 0

Combine like terms: -7y + -20y = -27y
-3x + -27y = 0

Solving
-3x + -27y = 0

Solving for variable 'x'.

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

Add '27y' to each side of the equation.
-3x + -27y + 27y = 0 + 27y

Combine like terms: -27y + 27y = 0
-3x + 0 = 0 + 27y
-3x = 0 + 27y
Remove the zero:
-3x = 27y

Divide each side by '-3'.
x = -9y

Simplifying
x = -9y

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