Answer:
x=3
Step-by-step explanation:

Answer: the answer is x=12 and x=4
Answer:
5 packages . .
Step-by-step explanation:
Hey!
There are 7 bags, and all 7 of them weigh 7 kg.
To find the weight, multiply 7 * 7 (amount of bags * current known weight)
7 * 7 = 49
The 7 bags weigh 49 kg.