Question

solve the following by subsittution method- 2x+3y=7,6x+9y=11

Answer 1

Answer:

0

Step-by-step explanation:

2x +3y=7 ...... eq 1st

6x+9y=11. .......eq 2nd

now multiply (eq1st) by 3

(2x+3y=7)3

6x+9y=11

6x+9y=21

6x+9y=11

- - -

0-0 =10

so ans is zero