3. What is the next step to solve this matrix? Use the notation aR, #bR. → R, to indicate adding or subtraction multiples of rows to create a new row or R, R to indicate the switching of two rows.

Answer:
3. What is the next step to solve this matrix? Use the notation aR, #bR. → R, to indicate adding or subtraction multiples of rows to create a new row or R, R to indicate the switching of two rows.