SOLUTION: Solve using augmented matrices.
3x1 + 2x2 = 7
x1 - x2 = -1
Explain to me this problem step-by-step please
Algebra.Com
Question 1178499: Solve using augmented matrices.
3x1 + 2x2 = 7
x1 - x2 = -1
Explain to me this problem step-by-step please
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Your matrix
Find the pivot in the 1st column and swap the 2nd and the 1st rows
Eliminate the 1st column
Make the pivot in the 2nd column by dividing the 2nd row by 5
Eliminate the 2nd column
Solution set:
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