PLEASE HELP WILL GIVE BRAINLIEST!!

Define a variable and write an equation. Then Solve.

A student is taking a test. He has 37 questions left. If the test has 78 questions, how many questions has he finished?

Respuesta :

Answer:

The number of questions he finished will be q.

37 + q = 78

rewrite this

78 - 36 = q

solve

78 - 36 = 42