linear equation

4.5 + 1.5y=24

x-y=4

Question

crysssss crysssss

06-04-2015
Mathematics

Answered

linear equation

4.5 + 1.5y=24

x-y=4

Verified Answer :

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Panoyin Panoyin · Answer 1 · 2015-04-06T20:58:41-04:00

4.5x + 1.5y = 24 ⇒ 4.5x + 1.5y = 24
1.0x - 1.0y = 4   ⇒ 4.5x - 4.5y = 18
         6y = 6
      6    6
       y = 1
   4.5x + 1.5(1) = 24
   4.5x + 1.5 = 24
      - 1.5 - 1.5
      4.5x = 22.5
   4.5 4.5
       x = 5
      (x, y) = (5, 1)

linear equation 4.5 + 1.5y=24x-y=4

Verified Answer :

Related Questions

linear equation

4.5 + 1.5y=24

x-y=4