-3x+3y=12
4x+2y=20

Please help its elimination. It's really hard I can't solve it

Question

26-02-2015
Mathematics

Answered

-3x+3y=12
4x+2y=20

Please help its elimination. It's really hard I can't solve it

Answer :

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Panoyin Panoyin · Answer 1 · 2015-02-27T08:32:41-05:00

-3x + 3y = 12 ⇒ -12x + 4y = 48
4x + 2y = 20 ⇒   12x + 6y = 60
   -2y = -12
      -2 -2
      y = 6
      4x + 2(6) = 20
      4x + 12 = 20
       -12 -12
   4x = 8
      4    4
   x = 2
         (x, y) = (2, 6)

-3x+3y=12 4x+2y=20 Please help its elimination. It's really hard I can't solve it

Answer :

Other Questions

-3x+3y=12
4x+2y=20

Please help its elimination. It's really hard I can't solve it