Question

Solve by trial and error method: 2z+1=7​

Answer 1

Answer:

2z < 7

z =2 then

4 + 1 = 5 X

z = 1 then

2 + 1 = 3 X

Correct answer

= z = 3

6 + 1 = 7

Pls mark as brainliest.

Answer 2

Answer:

or, 2z=7-1

or, 2z=6

or, z= 6/2

or,z= 3 answer