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

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


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

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

Combine like terms: 7x + -9x = -2x
-2x + -3y + -4y = 0

Combine like terms: -3y + -4y = -7y
-2x + -7y = 0

Solving
-2x + -7y = 0

Solving for variable 'x'.

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

Add '7y' to each side of the equation.
-2x + -7y + 7y = 0 + 7y

Combine like terms: -7y + 7y = 0
-2x + 0 = 0 + 7y
-2x = 0 + 7y
Remove the zero:
-2x = 7y

Divide each side by '-2'.
x = -3.5y

Simplifying
x = -3.5y

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