3x-9y-7x+4y=

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Solution for 3x-9y-7x+4y= equation:


Simplifying
3x + -9y + -7x + 4y = 0

Reorder the terms:
3x + -7x + -9y + 4y = 0

Combine like terms: 3x + -7x = -4x
-4x + -9y + 4y = 0

Combine like terms: -9y + 4y = -5y
-4x + -5y = 0

Solving
-4x + -5y = 0

Solving for variable 'x'.

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

Add '5y' to each side of the equation.
-4x + -5y + 5y = 0 + 5y

Combine like terms: -5y + 5y = 0
-4x + 0 = 0 + 5y
-4x = 0 + 5y
Remove the zero:
-4x = 5y

Divide each side by '-4'.
x = -1.25y

Simplifying
x = -1.25y

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