I have having trouble with this simple for the last couple of days. I thought I almost had it but I got stumped again. Funny thing is I know the answer already but I just don't know how to solve it. My calculator doesn't have problem solving it either. So I hope someone can't shed the light on this. here is the problem. x multiple .25 + x = 17.5 I know x is the same number but I don't know how to arrive at the final answer. here is the answer with the numbers already add 14 times .25 = 3.5 + 14= 17.5 I can't remember if I have came across this before. I feel kind dumb that I can't figure this out. I am beginning to think it is impossible. I think the problem I having mostly is because (x) is the same number and there is only one variable. The other problem maybe that I just realized I having is combining both x's. thank you for the solution. Because i know this is so easy but I just can't figure it out. what a way to start off a new years.
x is equivalent to 1 multiply x. so you have (0.25 times x) plus (1 times x). This can be factorised, as x is common to both terms, by taking x 'out of the brackets' x(0.25 + 1) = 1.25x After practice you will be able to do this instinctively, but that is the reason why it works.