Answer:
x+2
Step-by-step explanation:

Answer:
The missing value is 19.
Step-by-step explanation:
The equation is increasing by 2 and 17+2 equals 19.
Answer:
4.5
Step-by-step explanation:
4x+6 = 6x-3
3+6 = 6x-4x
9 = 2x
X =4.5
2/5 = ?/10 = 0.4
2*(2/5) = (2*2)/(2*5) = 4/10
? = 4
Answer:
Controlled Observation
Step-by-step explanation:
Answer..