Question

Using Cramer’s Rule, what is the value of x in the solution to the system of linear equations below?
x+3y=16
3x+y=8

Answer 1

9514 1404 393

Answer:

  x = 1

Step-by-step explanation:

The attached shows the matrices and the determinants. The value of x is ...

  x = ∆₁/∆ = -8/-8 = 1

The value of x in the solution to this system of equations is 1.

Answer 2

Answer:

A:  16 3 8 1 / -8 = 1

Step-by-step explanation:

got 100% on "Cramer's rule" edge 2022 quiz