Respuesta :
Answer:
x = 244.125
Step-by-step explanation:
186 · 21 = 8(x + x) (Given)
3906 = 8(2x) (Simplify)
3906 = 16x (Simplify)
[tex]\frac{3906}{16} = \frac{16x}{16}[/tex] (Division Property of Equality)
244.125 = x (simplify)
x = 244.125 (Symmetric Property of Equality)