Question

Q.29. On subtracting g - 7x + 5y - 10 from 5y - 7x - 9 we get

(A) - 1
(B) 1
(C) 19
( p)-19​

Pls tell fast

Answer 1

Answer:

-1

Step-by-step explanation:

as when we do minus we will change the sign of second equation.

so we will get -

-7x +5y-10 -5y +7x +9

now -7x and +7x we cancel out and 5y and -5y will also cancle out.

we will have -10 +9

which will give us -1 ANS