Equations & Systems Level 17: 3-var Cramer - find x (small). 3-var Cramer find x.
1. Coefficient determinant
Question
Fade the RHS; read x, y, z in place.
2. Target determinant
Fade x; read y, z, RHS in place.
Skip to content 1. Coefficient determinantUse the coefficient columns. D = -4. 2. Target determinantKeep every column fixed; apply sign +. Dx = -4. 3. ReadUse the settled ratio. x = 1.