Mathematics · Algebra
If [5 + 3a] × [b + 12] = 19, then the positive integer values of a and b are respectively:
- 1a = 5; b = 4
- 2a = 5; b = 2
- 3a = 7; b = 3✓
- 4a = 8; b = 4
Correct answer
a = 7; b = 3
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