OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Exercise 54 · Linear Algebra · Determinants
Solving Systems with Cramer's Rule · Exercise 54
Create a system of linear equations to describe the behavior. Then, calculate the determinant. Will there be a unique solution? If so, find the unique solution.
Three numbers add to 216. The sum of the first two numbers is 112. The third number is 8 less than the first two numbers combined.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Exercise 54
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