Lyla is planning on riding his bike no more than 65 miles during the week. She has already ridden 17 miles. Write and solve an i
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Given the simultaneous equation
x+y=21
5x+4y=20
To write in matrix form, it must be in the form AX= b
X = A⁻¹b
A⁻¹ is the inverse of matrix A
A is a 2by2 matrix
X is the variables
b is a column matrix
The expression will therefore be written as;
Hence the required product matrix that represent X is;