Evaluate the expression t² – 1 when t = 9.
Correct answer(s):
- 80
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Evaluate the expression 8(r + 4) when r = 8.
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Solve for x: (x – 15) × 9 = 36.
Correct answer(s):
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Solve for x: (x + 9) × 8 = 216.
Correct answer(s):
- 18
Solve for x: 7x – 19 = 100.
Correct answer(s):
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Solve for x: 6x + 13 = 109.
Correct answer(s):
- 16
Solve for x: (x – 7) × 5 = 40.
Correct answer(s):
- 15
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Correct answer(s):
- 14
Solve for x: 3x – 11 = 28.
Correct answer(s):
- 13
Solve for x: 2x + 5 = 29.
Correct answer(s):
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Solve for x: (x – 15) × 9 = -36.
Correct answer(s):
- 11
Solve for x: (x + 9) × 8 = 152.
Correct answer(s):
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Solve for x: 7x – 19 = 44.
Correct answer(s):
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Solve for x: 6x + 13 = 61.
Correct answer(s):
- 8