Question

2.6 + x = 10.4
What is x?

Answer 1

x = 7.8

Explanation:

2.6 + x = 10.4

-2.6 -2.6

x = 7.8

You do the inverse operations to find out x

Answer 2

x = 7.8

Explanation:

`2.6+x=10.4\\\\2.6-2.6+x=10.4-2.6\\\\\boxed{x=7.8}`

Hope this helps.