Question

Please help thank you

Answer 1

8,000

Explanation:

70 + x + 8 + 800,000,000 = 800,008,078 Add on the left side

800,000,078 + x = 800,008,078

-800,000,078 - 800,000,078 Subtract 800,000,078 from both sides

x = 8,000

Answer 2

8000

Explanation:

It's the only number missing from the answer to arrive at the answer itself :)