Question

X-3y-7=0 3x-3y-15=0 solve it by elimination method

Answer 1

Answer:

X-3y=7_eq1

3x-3y=15_eq2

From eq2

3(x-y)=15

x-y=15/3

Answer 2

Answer:

x=4

y=-1

Step-by-step explanation:

x - 3y -7 =0......(i)

3x-3y -15=0.....(ii)

- + +

_________________

-2x + 0 + 8 =0

x=-8/(-2)

x=4

put value of x in equation ...... (i)

4 -3y -7=0

-3y -3=0

y=3/(-3)

y=-1