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Select ALL of the order pair solutions to 30 = 10x + 6y - 4x

 

a. (2,1)

b. (3,2)

c. (10,2)

d. (2,3)

 Jan 10, 2018
 #1
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30 = 10x + 6y - 4x      simplify

 

30  = 6x + 6y       divide through by 6

 

5  = x  +  y

 

So....  b and d   are the answers  where the sum of the coordinates  = 5

 

 

cool cool cool

 Jan 11, 2018

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