Question

Me pueden Ayuda plis ​

Answer 1

Explicación paso a paso:

a + 3 =8

a = 5

4 = b + 5

-1 = b

√a + b = √5 - 1 = √4 = 2

a + 8 = 12

a = 4

b + 5 = a + 2b

5 - a = b

5 - 4 = b

1 = b

R = a × b = 4 × 1 = 4