what equation can luis write based on sarah"s clues and what is sarah's number?

Question

as a part of a school contest, sarah and luis are playing a math game. sarah must pick a number between 1 and 50 and give luis clues so he can wrote an equation to find her number. sarah say 'if i subtract 5 from my number,multiply that quantity by 4,and then add 7 to the result,i get 35'

Answer 1

n represents Sarah's number

n - 5                          "if I subtract 5"

4(n - 5)                     "multiply that quantity by 4"

4(n - 5) + 7               "then add 7"

4(n - 5) + 7 = 35       "I get 35."