3x+5y+3x-y=9+(-9)

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


Simplifying
3x + 5y + 3x + -1y = 9 + (-9)

Reorder the terms:
3x + 3x + 5y + -1y = 9 + (-9)

Combine like terms: 3x + 3x = 6x
6x + 5y + -1y = 9 + (-9)

Combine like terms: 5y + -1y = 4y
6x + 4y = 9 + (-9)
6x + 4y = 9 + -9

Combine like terms: 9 + -9 = 0
6x + 4y = 0

Solving
6x + 4y = 0

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
6x + 4y + -4y = 0 + -4y

Combine like terms: 4y + -4y = 0
6x + 0 = 0 + -4y
6x = 0 + -4y
Remove the zero:
6x = -4y

Divide each side by '6'.
x = -0.6666666667y

Simplifying
x = -0.6666666667y

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