Answer:
hear
y=-3x-7
or 3x+y=-7---------------(1)
-6x-2y=14
or -14=6x+2y
or6x+2y=-14-----------(2)
now,
add eq(1)×2and eq(2)
6x+6y=-42
-6x+2y=-14
__________
4y=-56
or y=-56/4
or y=-14
y=-14
at last,
put in the value of y eq(1)
3x+y=-7
or 3x+(-14)=-7
or 3x=-7+14
or 3x=7
or x=7/3
( x=7/3 and y=-14) ans
