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Equations & Systems

Level 24 / mastery

3-var Cramer - find y (mastery)

3 visual steps / 3-var Cramer find y

1. Coefficient D

Read y window from the same equations.Db3-2541-3-261172-21same equationsDy317542-3-2-211D = 183Dy = -549y = -3
D = 183.

D = 183.

2. Target Dy

Read y window from the same equations.Db3-2541-3-261172-21same equationsDy317542-3-2-211D = 183Dy = -549y = -3
Dy = -549.

Dy = -549.

3. y ratio

Read y window from the same equations.Db3-2541-3-261172-21same equationsDy317542-3-2-211D = 183Dy = -549y = -3
y = -3.

y = -3.

Practice Level 24

Keep the columns in place and solve one window at a time.

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