5x+7y-3x+9y=

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Solution for 5x+7y-3x+9y= equation:


Simplifying
5x + 7y + -3x + 9y = 0

Reorder the terms:
5x + -3x + 7y + 9y = 0

Combine like terms: 5x + -3x = 2x
2x + 7y + 9y = 0

Combine like terms: 7y + 9y = 16y
2x + 16y = 0

Solving
2x + 16y = 0

Solving for variable 'x'.

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

Add '-16y' to each side of the equation.
2x + 16y + -16y = 0 + -16y

Combine like terms: 16y + -16y = 0
2x + 0 = 0 + -16y
2x = 0 + -16y
Remove the zero:
2x = -16y

Divide each side by '2'.
x = -8y

Simplifying
x = -8y

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