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marlanna12
marlanna12 marlanna12
  • 14-02-2016
  • Mathematics
Answered

how do you solve this equation 4x+y=8,-2+9y=3

Verified Answer :

Panoyin
Panoyin Panoyin
  • 14-02-2016

4x + y = 8
-2 + 8y = 3

  -2 + 8y = 3
+ 2         + 2
         8y = 5
          8     8
           y = ⁵/₈

 4x + y = 8
4x + ⁵/₈ = 8
      - ⁵/₈ - ⁵/₈
       4x = 7³/₈
        4      4
         x = 1²⁷/₃₂
   (x, y) = (1²⁷/₃₂, ⁵/₈)

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