Ms. Muccio carried $420 in her purse this week. If by the end of the week she had spent 5/7 of her money on travel and lunch, how much has she spent in total and how much is left over?

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x