September 23rd, 2014

Name _____________________________
Date __________________
Directions: WRITE EQUATIONS FROM THE GIVEN INFORMATION. EVALUATE EACH EXPRESSION FOR THE MISSING VARIABLE.

A) A NUMBER IS ADDED TO 19. THE SUM IS 38. WHAT IS THE NUMBER?

B) A NUMBER IS TAKEN AWAY FOR 31. THE DIFFERENCE IS 12. WHAT IS THE NUMBER?

C) 17 IS ADDED TO A NUMBER. THE SUM IS 45. WHAT IS THE NUMBER?

D) 38 IS TAKEN AWAY FROM A NUMBER. THE DIFFERENCE IS 57. WHAT IS THE NUMBER?

E) A NUMBER IS ADDED TO 39. THE SUM IS 68. WHAT IS THE NUMBER?

F) A NUMBER IS TAKEN AWAY FR0M 74. THE DIFFERENCE IS 33. WHAT IS THE NUMBER?