Equations & Systems
Solve linear equations and 2-variable / 3-variable systems mentally using Cramer's rule.
Linear: isolate x. Systems: read D first, then Dx/Dy/Dz in place.
Level Guides
30 level-fit visual guides.
x + b = c (warm-up)
2 visual steps
ax + b = c (small)
3 visual steps
ax + b = c (signed)
3 visual steps
ax + b = c (mastery)
3 visual steps
ax + b = cx + d (small)
4 visual steps
ax + b = cx + d (medium)
4 visual steps
ax + b = cx + d (signed)
4 visual steps
ax + b = cx + d (mastery)
4 visual steps
2-var Cramer - find x (small)
3 visual steps
2-var Cramer - find y (small)
3 visual steps
2-var Cramer - find x (medium)
3 visual steps
2-var Cramer - find y (medium)
3 visual steps
2-var Cramer - find x (signed)
4 visual steps
2-var Cramer - find y (signed)
3 visual steps
2-var Cramer - find x (mastery)
3 visual steps
2-var Cramer - find y (mastery)
3 visual steps
3-var Cramer - find x (small)
3 visual steps
3-var Cramer - find y (small)
4 visual steps
3-var Cramer - find z (small)
3 visual steps
3-var Cramer - find x (medium)
3 visual steps
3-var Cramer - find y (medium)
3 visual steps
3-var Cramer - find z (medium)
3 visual steps
3-var Cramer - find x (mastery)
4 visual steps
3-var Cramer - find y (mastery)
3 visual steps
3-var Cramer - find z (mastery)
3 visual steps
2-var realistic - find x (no timer)
4 visual steps
2-var realistic - find y (no timer)
4 visual steps
3-var realistic - find x (no timer)
4 visual steps
3-var realistic - find y (no timer)
4 visual steps
3-var realistic - find z (no timer)
4 visual steps
Practice this category
Use the method on live equations & systems levels.
Open Equations & Systems Workouts