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Given equation:

$(2a+7)\cdot(3b +1) = (3c + 7)$

where $a,b,c$ are whole numbers

Find:

b*a


Looking for some direction on how to approach this problem.
Mister Devious
  • 3

1 Answers1

2

Left side is of this equation is always odd (except $a=0$ or $b=0$) while right side is always even. So you have to analyze these special cases.