3×+2y=20and 2×+3y=30then find the value of x+y​

Question

3×+2y=20and 2×+3y=30then
find the value of x+y​

in progress 0
Melody 4 weeks 2021-08-14T18:14:24+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-14T18:15:51+00:00

    multiply equation 1 and 2 by 2 and 3 respectively.

    then subtract the new equations,,, by this you can eliminate 1 variable because their coefficient would be same.

    when the equations is reduced to one variable solve it .

    0
    2021-08-14T18:16:06+00:00

    Answer: x+y = 10 + 0 = 10

    hope it helps

    have a nice day

Leave an answer

Browse
Browse

18:9+8+9*3-7:3-1*13 = ? ( )