Question

3x+y=-5, 7x+3y=1 solve the equation in elimination method

Answer 1

Step-by-step explanation:

hope it helps if i am wrong so please sorry

Answer 2

Step-by-step explanation:

3x+y=-5 -1

7x+3y=1 -2

multiply eq. 1 by 7 and eq.2 by 3

21x+7y=-35 -3

21x+9y=3. - 4

- - -

by subtracting 0. 2y=-32

y=32\2

y=16

let,put the value of y in 1

3x+y=-5

3x=-5-y

3x=-5-16

3x=-21

x=-21\3

x=-7