leslycorona29 leslycorona29
  • 16-09-2016
  • Mathematics
contestada

y=3x-2 3x-y=4 whats the solution

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sheldonjames
sheldonjames sheldonjames
  • 16-09-2016


Y=3x-2                    
Y=3(0)-2                  
Y=-2                             
 
Y=3x-2
(0)=3x-2
0 = 3x-2
 
Then divide 3 by three to have x by itself and do the same on the other side

Therefore since 0/3 is 0 you end up with

0 = x - 2

Then you add two to the negative two, and do so to the zero as well.

Therefore

2 = x, and you could flip it to x = 2

Your solution is
x = 2, y = -2

(2,-2) if you are looking for coordinates.
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