Question

A set of numbers is shown below:

{1.8, 3.8, 5.4, 8.4, 13.2}

The number from the set will make the equation x 4 = 7.8 true.

Answer 1

I believe you meant to put a + sign in-between the x and the 4

Subtract 4 from both sides. 7.8-4 = 3.8
3.8 is the answer

Answer 2

Thank you for the medal, and welcome to the community! <3

Answer 3

np