Suppose x = y - 2 = (y + 5) / 2. Then x equals?
- 1/3
- 1
- 7
- 2
Explanation
x = y - 2 = (y + 5) / 2
First, solve:
y - 2 = (y + 5)/2
Multiply both sides by 2:
2y - 4 = y + 5
2y - y = 5 + 4
y = 9
Now, x = y - 2 = 9 - 2 = 7
Related MCQs
- 2x + 2
- 2x - 8
- 2x - 5
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
اس سوال کو وضاحت کے ساتھ پڑھیں
