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25-08-2022
Mathematics

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Example 2: Let's solve it again for a different variable.
x + 2y3z = -2
2x - 2y + z = 7
x + y + 2z = -4

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please help.answers:a.A(–12, –7), B(8, –2), C(0, 7)b.A(–6, –7), B(4, –2), C(0, 7)c.A(–3, –3.5), B(2, –1), C(0, 3.5)d.A(–12, –14), B(8, –4), C(0, 14)

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