Answer:
3x-3
Step-by-step explanation:
You have to combine like terms. <em>x</em> and 2<em>x</em> have the same variable, so this equals 3x, and then you subtract 3 so:
x-3=2x-3-x
=3x-3
Answer: False.
Step-by-step explanation: The actual mass for a liter of water would be a kilogram, which is 1,000 grams.
Answer:
1 ≤ n
Step-by-step explanation:
7−3n ≤ n+3
+3n +3n
7 ≤ 4n+3
-3 -3
4 ≤ 4n
divide by 4 on each side
1 ≤ n
Answer:
x<-1
Step-by-step explanation:
-4x+8>12
-4x>12-8
-4x>4
x>4/-4
x>-1
x<-1
Answer:B.) No-40 cents too high
Step-by-step explanation:
To find the answer you need to fin the discount. So basically I did 16x15 and got 240. Than I divided that by 100. I got 2.40.Than I subtract 2.40 from 16 and got $13.60. Therefore it would be B