Question

X-12y=-7 3x-6y=-21 how do I solve ?

Answer 1

by elimination method or substitution method , u can solve easily......

Answer 2

Given Eqns

x-12y= -7. (1)

3x-6y= -21. (2)

from (1) we get

x=12y-7 ......(3)sub this in (2)

we get

3(12y-7)-6y=-21

36y-21-6y=-21

30y=21-21=0

therefore y=0

sub y=0 in (3)

we get x=-7

HOPE THIS ANSWER

HELPS YOU