OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Exercise 173 · Linear Algebra · Determinants

Solving Systems with Cramer's Rule · Exercise 173

Use the inverse of a matrix to solve the systems of equations.

$4 x - 5 y = - 50 - x + 2 y = 80$

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Exercise 173

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