Question

Robert earned $10, which was 4 less than twice what Eric earned. How much money

did Eric earn?
In a complete sentence, state the correct equation for the scenario.
Identify and define your variable. Then, using the correct vocabulary, and math
process, explain how to accurately solve the problem. Lastly, In a complete sentence
define your answer.

Answer 1

Eric earnings equals $7

Explanation:

Let amount earned by Robert = $10

Amount earned by Eric = $x

Robert earnings = 2x - 4

2x - 4 = 10

2x = 10 + 4

2x = 14

Divide both sides by 2

x = 14 / 2

= 7

x = 7

Eric earns $x which is equal to $7

Eric earnings equals $7