SOLUTION: Find two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained by reversing the digits

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Find two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained by reversing the digits      Log On


   



Question 1122975: Find two-digit number such that three times the tens digit is 2 less than twice the units digit, and twice the number is 20 greater than the number obtained by reversing the digits
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
The number: 47

t, the tens
u, the units or ones
system%282u-3t=2%2C19t-8u=20%29

system%28-3t%2B2u=2%2C19t-8u=20%29

system%28highlight%28t=4%29%2Chighlight%28u=7%29%29