Question

(ii) 7x - 6y = 20
3x+4y=2​

Answer 1

Answer:

x=20+6y/7..............3

put the vàlue of x in equation 2

3(20+6y/7)+4y=2

60+18y/7+4y=2

60+ 18y+28y/7=2

60+46y=14

46y=14-60

y=-46/46

y=-1

now put the value of y in equation 3

x=20-6/7

x=14/7

x=2 ..

hops it may help you..

thanks.....

Answer 2

Answer:

Step-by-step explanation:

y=-1    fx=2