Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked.
-The sum of a number and 2 is 7.
A) x - 2 = 7; 9
B) x + 2 = 7; 5
C) x ÷ 2 = 7; 14

Question

Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked.
-The sum of a number and 2 is 7.
A) x - 2 = 7; 9 
B) x + 2 = 7; 5 
C) x ÷ 2 = 7; 14

Quizplus · Accepted Answer

The equation that can be set up is x + 2 = 7.
Solving the equation, we get x = 5.
Therefore, the correct choice is B. Let x be the number.
The equation that represents the problem is:
x + 2 = 7
Solving for x:
x = 7 - 2
x = 5
Therefore, the number is 5, and the best choice is B.

Set Up an Equation That Can Be Used to Solve