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Use the row-reduction method to solve this system and write the solution in its general form. Show all your work. 1 + 2x-13 +24-0 27

Use the row-reduction method to solve this system and write the solution in its general form. Show all your work.

$( left{begin{array}{r}x_{1}+2 x_{2}-x_{3}+2 x_{4}-0 2 x_{1}+x_{2}+x_{3}-x_{4}-0 3 x_{1}-x_{2}-2 x_{3}+3 x_{4}-0end$

1 + 2x-13 +24-0 27 +1 +13-14-0 31-12-273 +34-0

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