And word problems a e h a e h b f i c g j b f i c g j Remember with a 2x2 you take the difference of the cross multiplication not mathematically termed For a 3x3 take parts as follows 1 a e h b f i c g j a f i a e h b f i g j c g j a f i a e h a f i b f i g j b e h g j c g j g j b e g c e h j h f i 2 a e h a f i b f i c g j g j b e g c e h j h f i Eqn1 3y 2z 6 Eqn2 2x z 5 Eqn3 x 2y 8 a e h b f i c g j Eqn1 3y 2z 6 Eqn2 2x z 5 Eqn3 x 2y 8 0 2 1 3 0 2 2 1 0 6 5 8 3
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