Can someone help me with this question?

FIU HW-02 EEL-3120 Problem No. 2.5 / 10 pis. 2x1 -3x2+6.x3 =-1 4x1 -x2 -4x3 5 7x1 - 3x2 - 3x3 = 2 Solve the system of linear equations by modifying it to REF and to RREF using elementary equivalent operations. Show REF and RREF of the system. Matrices may not be used. Show all your work, do not skip steps. Displaying only the final answer is not enough to get credit. Solution Show all intermediate steps, formulas. below this line. Don't write above this line)