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Using elimination to solve the system 2x + y = 8 and x + y = 4, which of the following could be the first step?
(Points : 2)
2x + y = 8> 2x + y = 8
(x + y = 4)(1)> x  y = 4
2x + (4  x) = 8
2x + y = x + y
3x + 2y = 12
x = 4
 one year ago
 one year ago
Using elimination to solve the system 2x + y = 8 and x + y = 4, which of the following could be the first step? (Points : 2) 2x + y = 8> 2x + y = 8 (x + y = 4)(1)> x  y = 4 2x + (4  x) = 8 2x + y = x + y 3x + 2y = 12 x = 4
 one year ago
 one year ago

This Question is Closed

jdoe0001Best ResponseYou've already chosen the best response.1
is it just me or you have the answer already?
 one year ago

sparki1Best ResponseYou've already chosen the best response.0
its what step is next that is correct
 one year ago

jdoe0001Best ResponseYou've already chosen the best response.1
I see nothing wrong in the procedure sequence :
 one year ago

sparki1Best ResponseYou've already chosen the best response.0
jdoe. u have to figure out the next step....
 one year ago

jdoe0001Best ResponseYou've already chosen the best response.1
ahemm, I guess I didn't get it firstly :, well, multiplying by (1) on the second equation pretty much solves it
 one year ago
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