2x+63=191
2x = 128
x = 64
11,33
The number is 7.
42,89
18 and 6
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.
10
The number is 17.
11,33
x = 11
The number is 7.
2 * (x + 7) 2x + 14 ■
If the number is n, then twice the number is 2n and the sum of the two is n + 2n = 3n.
The question cannot be answered because it is ambiguous. Does "twice the sum of 16 and a number" mean "2*16 + x" or does it mean "2*(16 + x)"
42,89
18 and 6
"the sum of 2" and "twice" "a number" "is" "36"2+2x=36 â–
The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.