Simplify 5 -2•3+ 4.
13
-5
3
21

so, converting firstly the mixed fractions to improper fractions and then "adding".

47 - 90 = 43

43 - 180 = x

x = 137

you should talk someone who owns the website about it. you did not deserve to have all that hard work and time taken away. id watch videos of little puppies to cool you down, and maybe some nacho cheese doritos.