Question

pls answer these questions Thank you

Answer 1

Answer:

Answer of the last question is b that is 7x -1 =5o

Answer 2

a) 2x + 1 = 15

2x = 15 - 1

2x= 14

x = 14/2

x = 7

c) x - 3 = 4

x = 4+3

x = 7