Answer:
x = 2
Step-by-step explanation:
0.4x + 9.2 = 10
-9.2 -9.2
0.4x/0.4 = 0.8/0.4
x=2
[tex]\frac{4}{10}x+\frac{92}{10}=10[/tex]
[tex]\frac{2^{2}}{2*5}x+\frac{2^{2}*23}{2*5}=10[/tex]
