christianaukpabio01
christianaukpabio01 christianaukpabio01
  • 12-07-2021
  • Mathematics
contestada

use the method of elimination to solve the following pairs of simultaneous equations 4p+3q=9
2p+3q=3​

Respuesta :

drmallery drmallery
  • 13-07-2021

Answer:

P=3, q=-1

Step-by-step explanation:

4p+3q=9 equation 1

2p+3q=3 equation 2

-4p-3q=-9 multiply equation 1 by -1 to eliminate q

-2p+0=-6 add above 2 equations

-2p=-6

p=3

solve for q by inserting p value into either equation

2p+3q=3

2(3)+3q=3

6+3q=3

3q=-3

q=-1

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