ISEE Word Problems Question 182: Answer and Explanation
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Question: 182
3. In the equation 4j -k + 2k -13j = 0, what is the value of j if k = 9?
- A. –2
- B. 1
- C. 4
- D. 9
Correct Answer: B
Explanation:
The answer is B
Input the value given for k: 4j - 9 + 18 - 13j = 0. Combine the -9 and 18 as well as the 4j and -13j: 9 - 9j = 0. Add 9j to both sides: 9 = 9j. Divide both sides by 9: j = 1.