If 3x + 18 = 42, what is the value of x?

Correct answer

B. 8

Explanation

Subtract 18 from both sides to get 3x = 24, then divide by 3 to get x = 8.

Related MCQs

• If 8x + 17 = 65, what is the value of x?
• If 2x + 2 = 14, what is the value of x?
• A data set has a mean of 24 and consists of 5 numbers. If 4 of the numbers are 23, 27, 18, 36, what is the rem...
• A jar contains only red and blue marbles in a ratio of 7:4. If there are 32 blue marbles, how many red marbles...
• A data set has a mean of 16 and consists of 6 numbers. If 5 of the numbers are 28, 16, 28, 13, 5, what is the...
• A rectangle has a length of 19 and a width of 18. What is its area?