Equations & Systems Level 15: 2-var Cramer - find x (mastery). 2-var Cramer find x.
1. Coefficient determinant
Question
Fade the RHS; read x, y in place.
2. Target determinant
Fade x; read y, RHS in place.
Skip to content 1. Coefficient determinantUse the coefficient columns. D = -33. 2. Target determinantKeep every column fixed; apply sign -. Dx = -231. 3. ReadUse the settled ratio. x = 7.