Question

What is the variable used in the equation 5x + 2 =100?​

Answer 1

Answer: the answer would be x because that's the actual variable in the question then if 19.6 was not an option

Explanation:

Answer 2

`5x + 2 = 100 \\ 5x = 100 - 2 \\ 5x = 98 \\ x = (98)/(5) \\ x = 19.6`