Question

4x+6y=18;2x-y=20​ plz help in solving this and dont use bad comments plz​

Answer 1

Step-by-step explanation:

4x+6y=18 ____1.

2x-y=20 _____2.

multiply eq 2 by 2

then we have:

4x+6y=18

4x-2y=40

________

8y= -22

y= -11/4

put value of y in eq 2

4x+11/2 =40

8x+11 = 80

8x =69

x= 69/8