Which of the following equation/s is/are true for n = 2? I. n + 2 = 5 II. 5n + 2 = 12 III. 2n + 5 = 12 IV. 8n – 1 = 15 *
1 point
I and IV only
II and IV only
I, II, III, IV
I and III only
1 point
I and IV only
II and IV only
I, II, III, IV
I and III only
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II and IV only
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Equation from II:
5n + 2 = 12
5(2) + 2 = 12
10 + 2 = 12
12 = 12
Equation from IV:
8n - 1 = 15
8(2) - 1 = 15
16 - 1 = 15
15 = 15
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Equation from I:
n + 2 = 5
2 + 2 = 5
4 ≠ 5
Equation from III:
2n + 5 = 12
2(2) + 5 = 12
4 + 5 = 12
9 ≠ 12