Systems of equations with substitution
CCSS.Math: 8.EE.C.8, 8.EE.C.8b, HSA.REI.C.6
You might need: Calculator
If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.