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```
sum of values of x and y satisfying the equation 3 x – 4 y = 77; 3 x/2 – 2 y = 7 is:
sum of values of x and y satisfying the equation 3x – 4y = 77; 3x/2 – 2y = 7 is:

```
2 years ago

Arun
25768 Points
```							Dear shubham let 3^(x/2) = t and 2^y = r then t – r = 7 t^2 – r^2 = 77 t + r = 11 hence t-r = 7t + r = 11 2t = 18 t = 9and r = 2 hence 3^(x/2) = 9 x = 4 y = 1
```
2 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions