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solve each system using elimination
4x+2y=2
3x+y=4

Sagot :

patellshiv4359
4x+2y=2
 now u have to multiply the second line by 2 so the y becomes the same.
6x+2y=8

4x+2y=2
6x+2y=8

since u have two positives which r the same (2y) u need to subtract the whole line by the top line

  4x+2y=2
-
  6x+2y=8
__________
 -2x+0=-6



-2x=-6
x=-6/-2
 
two negative equals a positive so your answer will be 
 x=3




hope this helps u
4x+2y=2 3x+y=4 you need to eliminate either the x or the y leave the first equation alone multiply the second equation by 2 to get the coefficient of y the same so it can be eliminated 4x+2y=2 6x+2y=8 to eliminate the y's you need to change the signs of the second equation and add -2x= -6 x=3 go to either equation and substitute 3 for x to solve for y y=-5
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