2x + 6 = 5
5x – 9 = 8x – 4
5x = 2y – 8
6b + 4 = 2
6 + 4 = 10
The sum of any integer and its opposite is equal to zero
Hope this helps :)
Answer:
2 kilograms
Step-by-step explanation:
500 + 800 + 700 is 2000g
There are 1000 grams in a kilogram
so the answer is 2 kilograms