Use substitution to solve each system of equations
Y=2x-2
Y=x+2

Question

05-03-2015
Mathematics

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Use substitution to solve each system of equations
Y=2x-2
Y=x+2

Respuesta :

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Panoyin Panoyin · Answer 1 · 2015-03-08T18:59:57+01:00

y = 2x - 2 ⇒ 2x - y = 2 ⇒ 2x - y = 2
y = x + 2 ⇒ x - y = -2   ⇒ 2x - 2y = -4
       3y = 6
      3     3
   y = 2
      2x - 6 = 2
      +6 +6
   2x = 8
      2    2
   x = 4
   (x, y) = (4, 2)

Use substitution to solve each system of equations Y=2x-2 Y=x+2

Respuesta :

Otras preguntas

Use substitution to solve each system of equations
Y=2x-2
Y=x+2