Ineed understanding what is 3x=9 because i forgot the steps
i have to do for this question so can you me

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.