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 3 years ago
What is the solution of the system of equations? You can use any method.
y = 3x + 7
y = x – 9
a. (–1, –10) b. (–17, –8) c. (4, 19) d. (–8, –17
 3 years ago
What is the solution of the system of equations? You can use any method. y = 3x + 7 y = x – 9 a. (–1, –10) b. (–17, –8) c. (4, 19) d. (–8, –17

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Tyler1992
 3 years ago
Best ResponseYou've already chosen the best response.0C. Just plug in the x and y values and see if its true or not.

Tyler1992
 3 years ago
Best ResponseYou've already chosen the best response.0Here is a example \[10 = 3(1) + 7\]\[10 = 3 + 7\] \[10 \ne 4\] Therefore A is not the solution. Now you do this for the other three and thats how you find the solution.

gw2011
 3 years ago
Best ResponseYou've already chosen the best response.0y=3x+7 y=x9 3x+y=7 x+y=9 Subtract this equation from the above one 2x=16 x=8 Substitute this value into one of the equations to find y y=x9 y=89 y=17 Therefore, the answer is (8, 17)
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