82 E1 312 381 + 712 14 = -5 403 523 713 + 214
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Step 1: Write the system (label equations): (1) x2 + 4x3 - x4 = -5 (2) x1 + 3x2 + 5x3 = 2 (3) 3x1 + 7x2 + 7x3 + 2x4 = 6 Show more…
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