Respuesta :

Answer:

64

Step-by-step explanation:

The sum means addition

To put this into algebra :

x + 43 = 107

Subtract 43 from both sides:

x = 107 - 43

x = 64

Hope this helped and brainliest please.

ItzTds

Answer:

The missing number is 64.

{43 + 64 = 107}

Step-by-step explanation:

Given that,

→ Sum of a number and 43 is 107.

Let's form the equation,

→ 43 + x = 107

Now find the required value of x,

→ 43 + x = 107

→ x = 107 - 43

→ [ x = 64 ]

Hence, the number is 64.