Answer:
-2.5<x<2.5
Step-by-step explanation:
Maybe something like 811.1?
Answer:
m= - 3/6
Step-by-step explanation:
Let
Y be the age of Franco's dad.
X Franco's age
Y = 3*X (1)
(Y +10) = 2*(X+10) +2 (2)
(3*X +10) = 2*X +20 +2
(3-2)X = 22 -10
X = 12 years old (Franco)
Y = 3*12 = 36 years old (Franco's dad)