Respuesta :

x=.3
Your answer is right :)
gypsyhorse4me
7x + 0.1
7(0.3) + 1
2.1 + 0.1
2.2

10x - 0.2
10(0.3) - 0.2
3 - 0.2
2.8

2.2 + 2.8 = 5 

You are correct!! It is C. 0.3.

Hope this helps!!
~Kiwi