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

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


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

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

Combine like terms: 7x + -3x = 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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