Answer:
(2,5.5)
Step-by-step explanation:
We can start by getting rid of parenthesis:
4x-3x+6=21
Then we can combine like terms:
x=21-6
x=15
So our end product is x=15.
Hope I helped soz if I'm wrong ouo.
~Potato.
Copyright Potato 2019.
Answer:

Step-by-step explanation:
Rule: 

The answer to this question is C
<h2>
Answer: </h2>
formula = Multiply mass with 1000.
weight of a pack of oranges = 7.4 kg
weight of the pack of oranges in grams = 7.4 x 1000 = 7,400g
<h2><u>
Weight of the pack of oranges in grams is 7,400g</u></h2>