alleryStart learning →Order the substitution steps
Exercise and reference answers
- Steps
- Isolate one letter
- Put it in rule 2
- Solve what is left
- Back-solve for it
- Check in both
- Instructions
- Tap the five steps of the substitution method in the order they are carried out.
Explanation
_Source: OpenStax College Algebra (CC BY 4.0), Ch 7 "Systems of Equations and Inequalities", section 7.1 Systems of Linear Equations: Two Variables_