Math mystery number

posted by Creative kid

This number has 7 digits
The digit in the ten thousands place is 9
The digit in the hundreds place is 3 times greater than the digit in the ones place
The digit in the millions place is the difference between the tens place and the thousands place
The hundreds thousands place is the same as the tens place
The tens place is 4 more than the ones place
The digit in the ones place is 6 less than the digit in the hundred thousands place
The digit in the thousands place is 5
What is the mystery number

1. Steve

7 digits
xxxxxxx

digit in the ten thousands place is 9
..9....

The digit in the thousands place is 5
..95...

Now we are down to
vw95xyz

The hundreds thousands place is the same as the tens place: y=w
vw95xwz

digit in the hundreds place is 3 times greater than the digit in the ones place
x=3z

The digit in the millions place is the difference between the tens place and the thousands place
v = w-5

The tens place is 4 more than the ones place
w=z+4

The digit in the ones place is 6 less than the digit in the hundred thousands place
z = w-6

So, now we are left with these equations:
x=3z
v = w-5
w = z+4
z = w-6

I suspect a typo. The last two equations cannot both be true.

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