If and , what is the value of ?
Answer and explanation
Correct answer: C. 2
- 10 is the difference given in the problem.
- 14 is the sum .
- 12 is the value of () rather than .
- 14 is the sum .
- 12 is the value of () rather than .
- Step 1: Add the two equations to find : .
- Step 2: Substitute into to solve for : .
Answer
2.
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