Question

Su 21
2x+3y = 75 x + y = 9​

Answer 1

Answer:

2x+3y =75x +1y =9 is that

Step-by-step explanation:

75 x shifted to 2x and subtract, and 3y shifted to 1y

ans. 73x and 2y = 9

Answer 2

Answer:

2x+3y=75------------(1)

x+y=9---------------(2)

eqn(2)×2=

2x+2y=18-----------(3)

eqn(1)-eqn(2)=

2x+3y=75

(-)2x+2y=18

__________

y=57

__________

substitute y in eqn (2)

x+57=9

x=48