letsplaycsgo08 letsplaycsgo08
  • 13-07-2018
  • Mathematics
contestada

Solve the system of equations. (1 point) 5x + y = 9 3x + 2y = 4 (−2, 5) (1, 4) (2, −1) (4, −4)

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leele1
leele1 leele1
  • 13-07-2018

Heyo, the answer is (2,-1).

5x+y=9

3x+2y=4


I went ahead and multiplied the first equation by -2(so I can get rid of the y's)

-10x-2y=-18

3x+2y=4

Just simply add now

-7x=-14

Divide by -7 to get x by itself

x=2



Answer Link
Eliasros1
Eliasros1 Eliasros1
  • 01-12-2020

Answer:

The answer would be (2,-1)

I took the test and got it right!

Answer Link

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