Respuesta :
Answer:
x = 4
Step-by-step explanation:
The ages now are 5x and 7x.
The ages in 4 years are 5x + 4 and 7x + 4.
5x + 4 + 7x + 4 = 56
12x + 8 = 56
12x = 48
x = 4
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} →}[/tex]
4
Step-by-step explanation:
• Given —
Age of Roony = 5x
Age of Herald = 7x
• After four years —
Age of Roony = (5x + 4)
Age of Herald = (7x + 4)
• Now, According to the question —
→ (5x + 4) + (7x + 4) = 56
→ 12x + 8 = 56
→ 12x = 56 - 8
→ 12x = 48
→ x = 4