Mathematics · Linear Equations
If the system of linear equations 2x + 3y = 7 and 2ax + (a + b)y = 28 has infinitely many solutions, then which of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12a + b = 0
- 2a + 2b = 0
- 3b = 2a✓
- 4a = 2b
Correct answer
b = 2a
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