SOLUTION: find the two-digit number whose tens is three less than the units digit. the original number is 6 more than 4 times the sum of the digit. solve.
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Question 28663: find the two-digit number whose tens is three less than the units digit. the original number is 6 more than 4 times the sum of the digit. solve.
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
10's digit:
y=x-3
Unit digit = x
y+x=6+4(y+x) --> sub
10x-30+x=6+4(x+x-3)
11x-30=6+8x-12
11x-30=8x-6
3x=24
x=8
y=8-3
y=5
Hence, the 10's digit is 5 and the unit digit is 8.
Paul.
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