janellelee000
janellelee000 janellelee000
  • 15-01-2020
  • Mathematics
contestada

Using substitution to solve a linear system

Y=9-x
And
2x+3y=11

How would I solve this?

Using substitution to solve a linear system Y9x And 2x3y11 How would I solve this class=

Respuesta :

Аноним Аноним
  • 16-01-2020

Answer:

x = 16

y = -7

Step-by-step explanation:

y = 9 - x

2x + 3y = 11

y = 9 - x

2x + 3(9 - x) = 11

y = 9 - x

2x + 27 - 3x =11

y = 9 - x

-x + 27 = 11

y = 9 - x

-x = - 16

y = 9 - 16

x = 16

y = -7

x = 16

there is only 1 solution for this equation is (16,-7)

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