Solve for x: 8x + 14 = 78.
Correct answer(s):
- 8
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Solve for x: 6x + 1 = -35.
Correct answer(s):
- -6
Solve for x: 5x – 2 = 43.
Correct answer(s):
- 9
Solve for x: 4x + 5 = -23.
Correct answer(s):
- -7
Solve for x: 6x + 15 = 63.
Correct answer(s):
- 8
Solve for x: 6x – 9 = -57.
Correct answer(s):
- -8
Solve for x: 8x + 13 = 21.
Correct answer(s):
- 1
Evaluate 24^2 − 30^2 using an arithmetic identity.
Correct answer(s):
- -324
Find the sum of the arithmetic sequence 21, 26, 31, …, 86.
Correct answer(s):
- 749
What is the units digit of 8^510?
Correct answer(s):
- 4
Find the number of positive divisors of 288.
Correct answer(s):
- 18
Find the remainder when 10^228 is divided by 19.
Correct answer(s):
- 7
Find the LCM of 28, 17, and 7.
Correct answer(s):
- 476
Determine the GCD of 358 and 245 without using prime factor tables.
Correct answer(s):
- 1
Find 20% of 598.
Correct answer(s):
- 598/5
Reduce the fraction 18/96 to lowest terms.
Correct answer(s):
- 3/16
What is the remainder when 8320 is divided by 11?
Correct answer(s):
- 4
Evaluate 36^2 − 42^2 using an arithmetic identity.
Correct answer(s):
- -468
Find the sum of the arithmetic sequence 6, 10, 14, …, 74.
Correct answer(s):
- 720
What is the units digit of 8^270?
Correct answer(s):
- 4