Question

7) solve 3x-5y=-10 and 2x+3y=44
x=10,y=8
x=8,y=10
x=-8,y=10
x=10,y=-8​

Answer 1

x=10,y=8

1) 3x-5y=-10

3(10)-5(8)=-10

30-40=-10

-10= -10

2) 2x+3y=44

2 (10)+3(8)=44

20+24=44

44=44

Answer 2

Answer:

2×(3x-5y) =-10×2

6x-10y=-20, —equation 1

3×(2x+3y) =44×3

6x+9y=132, —equation 2

Now subtract equation 1 & 2

6x-10y=-20

-(6x+9y=132)

———————

-19y=-152

y=8

Put y=8 in equation 1

6x-80=-20

6x=60

x=10

therefore, option 1 is correct.