1. Coefficient D
D = 7.
3-var Cramer - find z (small)
3 visual steps / 3-var Cramer find z
2. Target Dz
Dz = 21.
3. z ratio
z = 3.
Practice Level 19
Keep the columns in place and solve one window at a time.
Start Level3 visual steps / 3-var Cramer find z
D = 7.
Dz = 21.
z = 3.
Keep the columns in place and solve one window at a time.
Start Level