Back to 5.2 Solving Systems of Equations by Substitution

5.2 Exercise 30

Avg difficulty 2.5

The sum of two numbers is 10. One number is 4 less than the other. Find the numbers.

OpenStax Elementary Algebra 2e, 5.2 Solving Systems of Equations by Substitution, exercise 30

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Adapted from Elementary Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Elementary Algebra 2e. Imported at revision 77a933c.