9x+3y=5x-4y

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Solution for 9x+3y=5x-4y equation:


Simplifying
9x + 3y = 5x + -4y

Solving
9x + 3y = 5x + -4y

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9x + -5x + 3y = 5x + -5x + -4y

Combine like terms: 9x + -5x = 4x
4x + 3y = 5x + -5x + -4y

Combine like terms: 5x + -5x = 0
4x + 3y = 0 + -4y
4x + 3y = -4y

Add '-3y' to each side of the equation.
4x + 3y + -3y = -4y + -3y

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

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

Divide each side by '4'.
x = -1.75y

Simplifying
x = -1.75y

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