Question

9×-23=13×-27 Sendo V=R

Answer 1

9X - 23 = 13X - 27

9X - 13X = -27 + 23

-4X = -4

X = -4/-4

X = 1

Answer 2

9^x - 23 = 13^x - 27 

13^x - 9^x = 27 - 23 

13^x - 9^x = 4 

13 - 9 = 4 

x = 1