Question

How do you solve this equation -6x + 7y =13 and -6x +8y =20 using elimination

Answer 1

x=6,y= 7

Explanation:

-6x +7y= 13

-6x+8y=20

-y = -7

divide through by -1

y =7

sub y= 7 in equation 1

then x= 6