Question

Which equation would you use to solve the following situation?

There are 3 people at a party. Several more people arrive late, and now there are 14 people at the party. How many people (
x
) arrived late?


x
+
14
=
3


3
x
−
14
=
x


x
−
3
=
14


3
+
x
=
14

Answer 1

(d) 3 + x = 14

Explanation:

You want to know an equation that can help you find the number who arrived late, if the total of an initial 3 and the number who arrived late is 14.

Equation

You want to express that an unknown number, added to three, makes a total of 14:

3 + x = 14