Answer: That number is 16.
Step-by-step explanation:
n + 7 = 2n- 9 n represents the number now solve the question
+ 9 +9 add 9 to both sides
n + 16 = 2n subtract n from both sides
-n -n
16= 1n Divide both sides by 1
n= 16
Check: 16 + 7 = 2(16) - 9
23 =23
Answer:inequality form x ≤ -1
for 3x + 9 ≤ 6
Step-by-step explanation:isolate the variable by dividing eash side by factors that dont contain the variable
Answer:
<h2>A.Vertical:x=7</h2><h2>Slant:y=x+9</h2>
Step-by-step explanation:




After one week it will be a total decrease of 175 milligrams