solve this simultaneous equation
5x+2y=11
4x-3y=18

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skippy25 skippy25

07-02-2016
Mathematics

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solve this simultaneous equation
5x+2y=11
4x-3y=18

Respuesta :

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Panoyin Panoyin · Answer 1 · 2016-02-07T15:21:52+01:00

5x + 2y = 11 ⇒ 15x + 6y = 33
4x - 3y = 18 ⇒   8x - 6y = 36
23x = 69
  23   23
x = 3
5x + 2y = 11
  5(3) + 2y = 11
15 + 2y = 11
- 15 - 15
  2y = -4
2 2
y = -2
(x, y) = (3, -2)

solve this simultaneous equation 5x+2y=11 4x-3y=18

Respuesta :

Otras preguntas

solve this simultaneous equation
5x+2y=11
4x-3y=18