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In the pair of equations bx - 6y = 18 and 2x - 3y = 9, b is a whole number. The system of two equations has infinitely many solutions. What is the value of b?

 

A) 3

B) 4

C) 5

D) 6

 Apr 15, 2018
 #1
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4 because the second equation is the first one with each term double so 2*2=4

 Apr 15, 2018

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