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Q: How do you solve 2x-y equals -6 and 2x plus 3y equals 9?

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Y=15/(2c+2x)

Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x

2x+a=p 2x=p-a x=.5p-.5a

No, it equals -2xy. lrn2math

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Y=15/(2c+2x)

Because 2x+y is addition not multiplication

Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x

-2x - 2y = -122x + 2y = 122y = 12 - 2xy = 6 - x

4x-y2=2xy 2x ? y5 if its plus its 7 xy

2x+a=p 2x=p-a x=.5p-.5a

y= -2x

3

That equals 2xy + 3y which factors to y(2x + 3)

No, it equals -2xy. lrn2math

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