Question

3x + 4y = 31 & 5x - 3y = 13​

Answer 1

3x +4y=2

5x-3y=13

Multiplying in eq. 1 by 5 and in eq. 2 by 3. We get

15x+20y=10

15x-9y=39

Subtracting on eq. 3 from eq 4 we get

Y=-1 and x=2

Answer 2

Step-by-step explanation:

please mark me brainlist