12x + 3 = 51
51 - 3 = 48
X = 4
Answer:
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Answer:
- 500,000,000
- 60,000,000
- 8,000,000
- 900,000
- 20,000
- 4,000
- 100
- 20
- 6
Step-by-step explanation:
To find what a digit stands for, make all the other digits zero.
This is substantially what we do when we write the number in "expanded form."
568,924,126
= 500,000,000 +60,000,000 +8,000,000 +900,000 +20,000 +4,000 ...
... +100 +20 +6
The list of numbers in the sum is the list of numbers the digits stand for.
