The original value of x was negative, then –x, the opposite-signed version of x, would have to be positive. For instance, if I start with x = –3, then –x = –(–3) = +3, which is positive.
Answer:
-a+-2b+4c
Step-by-step explanation:
Combine like terms
-4a+ 3a= -a
b+ -3b= -2b
3c+ c= 4c
Answer:
Step-by-step explanation:
17/80 = p/100
p = 17/80 * 100
p = 0.2125 * 100
p = 21.25
D.4 he should apply 4 treatments to each of the groups
