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-7

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Doris Carter

Lvl 10
3y ago
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Wiki User

13y ago

because this equation has 2 variables, each variable won't have an exact answer.

this equation will make a nice line graph though, this is how to put it in that format.

2x-y=9

add y to both sides

2x=9+y

subtract 9 from both sides

y=2x-9

now you can graph it. it has a slope of 2 and a y intersect of -9

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Q: What is 2x-y equals 9?
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