posted by packy on .
the units digit of a 2-digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10.
Please help i am completley lost!!
y = 2x+1
y = 10-x
10-x = 2x+1
3 x = 9
im still pretty confused, but i think u r suppossed to solve the 2 equations u gave and got (3,7) but i think im way off
Check it by using 37 in the problem statement.
the units digit (7) of a 2-digit number (37)exceeds twice the tens (2*3=6) digit by 1.(6+1=7 sure enough)) find the number if the sum of its digits is 10. (3+7=10 sure enough)