A. x = 65 B. x = 40 C. x = 20 D. x = 60
1 answer:
You might be interested in
Here we will use the trial and error method.
- We will try putting different values of x.
When put in matrix form, the coefficients of
... 3x -2y = 7
... x + 4y = 2
look like
The determinant is 3×4 - 1×(-2) = 14.