Question

7y-x=8. Y=4x-7 solve the equation by eleminating and substitution method

Answer 1

7y-x=8 ......1
Y=4x-7.......2
Put the value of y in 1 from 2
7(4x-2)-x=8
28x-14=8
28x=8+14
28x=22
x =22/28=11/14
Put the value of x in 2
Y=4(11/14)-7
y=44/14-7
y=22/7-7
y=22-49/7
y=27/7.