Question

20u - 30v = 13, 10v -
13, 10v - 10u = -5​

Answer 1

Answer:

$20u - 30v = 13$

$10v - 13$

$10v - 10u = - 5$

2v-2u=-5

20u-30v=13

10v=13

v=13/10

2(13/10)-2u=-5

13-10u=-25

13-10u+25=0

-10u=-35

u=7/5