OpenStax, Elementary Algebra 2e §5.2 Solving Systems of Equations by Substitution · Exercise 54 · Algebra · Systems
Solving Systems of Equations by Substitution · Exercise 54
Solve the system of equations
ⓐ by graphing. ⓑ by substitution. ⓒ Which method do you prefer? Why?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Elementary Algebra 2e · §5.2 Solving Systems of Equations by Substitution · Exercise 54
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