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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.4 Matrices and Linear Equations, #8 · Linear Algebra · Linear systems

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Find the point $(x, y)$ where the two lines intersect (if they do). Also show how the right side is a combination of the columns on the left side (if it is). Also find the determinant $D$ .

$a x + b y = 1$
$c x + d y = 1$

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.4 Matrices and Linear Equations, #8

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