Respuesta :

Answer:

4

Step-by-step explanation:

7⋅x+1=2⋅x2−3

When x = 4

7* 4 + 1  = 2* 4² - 3

28 + 1    = 2 * 16 -3

         29 = 32 - 3

         29 = 29

Answer:

Easy math :) your answer is B. 4

Step-by-step explanation:

i hope this helps, plz mark brainliest