Question

please answers it is to urgent I wii mark as brainlist​

Answer 1

Answer:

answer for 11th is 7

for 12th is infinite solutions

and for 13th is 0

Answer 2

Answer:

PLZZ MARK IT AS A BRAINLIEST

Step-by-step explanation:

11. x = 7

12.

or

infinity many solutions

13. 0

14. 9:4 I'm not sure with this answer