Question

(1) 3х - 4y = 10; 4х + Зу = 5​

Answer 1

Answer:

3x-4y=10

4x+3y=5

12x-16y=40

12x+9y=15

-25y=25

y=-1

3x-4(-1)=10

3x+4=10

3x=6

x=2