which number is on the number line are 3 times as far from 13 as they are from 5???
c)1 and 7
d)11 and 17
this question i dont understand really well
here we want to find all x such that
|x - 13| = 3|x - 5|
that is, the distance from x to 13 is 3 times the distance from x to 5
just solve this equation for x now