If and , what is the value of ?
Answer and explanation
Correct answer: C. 30
- 12 results from evaluating .
- 11 is the sum .
- 35 multiplies instead of .
- 11 is the sum .
- 35 multiplies instead of .
- Step 1: Add the two equations to find : .
- Step 2: Substitute into to determine : .
- Step 3: Multiply and : .
Answer
30.
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