Question

please solve this problem ​

Answer 1

Answer:

v=2.3 and u=1.8

Step-by-step explanation:

20v - 20u = -10

30v - 20u = 13

(-). (+). (-)

____________

-10v =. -23

v =2.3

10(2.3) - 10u = -5

23 - 10u = -5

u = 1.8