4 digit number

I am a four-digit number. My thousand period has a first digit which is thrice the second digit, and the second digit is two more than the third digit. All the rest of the digits are zeros. What number am I?

Correct answer:

x1 =  6200
x2 =  9310

Step-by-step explanation:

x = abcd a = 3b b=2+c=2 d=0  a>0, a<10 a = 3b = 3 (2+c)=6+3c  c1=0 b1=2+c1=2+0=2 a1=3 b1=3 2=6  x1=a1 1000+b1 100+c1 10+d=6 1000+2 100+0 10+0=6200
c2=1 b2=2+c2=2+1=3 a2=3 b2=3 3=9  x2=a2 1000+b2 100+c2 10+d=9 1000+3 100+1 10+0=9310

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