1x-2y-3z=-1 2x+y+z 1x+3y-2z=13
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Step 1
Step 1: Subtract equation 1 from equation 3 to eliminate x: \[1x - 2y - 3z = -1\] \[1x + 3y - 2z = 13\] Subtracting the two equations: \[3y - 2z + 2y + z = 14\] \[5y - z = 14\] Show more…
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