Aiden has a loyalty card good for a 20% discount at his local grocery store. What would his total in dollars and cents be, after
2 answers:
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This addition of matrices can be combined into one matrix.
To add matrices, add the corresponding components of each matrix.
After adding, we'll have the following
This matrix should be equal to the matrix on the right-hand side of the equation. This means that each corresponding component of this matrix and the other matrix should be equivalent.
This means that
AND
Solving these one-step equations will give the values of a = -4 and b = -1. That's answer choice D.
