Question

solve given simultaneous equations

x=10-7y,3x-2y=7​

Answer 1

Answer:

30-21y-2y=7

23y=23

y=1

x=10-7

x=3

Answer 2

Answer:

x=10-7y

3x-2y=7

putting the value of x

3(10-7y)-2y=7

=> 30-21y-2y=7

=> -23y=7-30

=> -23y= -23

=> y= -23/-23

=> y=1

then x=10-7.1=10-7=3

so, x=3 , y= 1