2x1 + 3x2 + x3 = 9 X1 - 5x2 – x3 = -7 2x3 %3D Зx, + х2 — 2хз — 10 + x2

Determine the values of a for which the following system of linear equations has no solutions, a unique solution, or infinitely many solutions. You can select 'always', 'never', 'a = ', or 'a #', then specify a value or comma- separated list of values. ax7+3x2+3x3 = 0 x7+3x2+6x3 = 0 3x1+9x2+8x3 = 0 No Solutions: Unique Solution: Infinitely Many Solutions: Official Time: 21:16:40 Always Always Always Always Never When a = When a # SUBMIT AND MARK SAVE AND CLOSE

Pls help ASAP.

Find the set of solutions for the linear system -3x1 6x2 3x3 9. 672 8x3 -8 Use x3, x2, etc. for the free variables if necessary. Indicate if a variable is free by writing the same variable in the space (so if x1 is free, write x1 =x1). 2x2 - x3 - 3 4/3x3 - 4/3 x3 = x3