The augmented matrix is
Add -2(row 1) to row 2, and add -3(row 1) to row 3:
Add -1(row 2) to row 3:
Add row 3 to row 2:
Add -3(row 2) to row 1, and add -2(row 3) to row 1:
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Answer:
Step-by-step explanation:
Number one is 4p+8-9. 8-9= -1 So, 4p-1. Divide both by 4. p=.25