simplyydianaa simplyydianaa
  • 23-06-2019
  • Mathematics
contestada

Solve the following system of equations .

-3x+5y=85
X+4y=51

Respuesta :

Mathhisfunn101
Mathhisfunn101 Mathhisfunn101
  • 23-06-2019

Answer:

x + 4y = 51

x = -4y + 51

Substitution

-3(-4y + 51) + 5y = 85

Distribution

12y - 153 + 5y = 85

Combine like terms

17y = 238

y = 14

x = -4(14) + 51

x = -7

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gshreya2005
gshreya2005 gshreya2005
  • 23-06-2019

Answer:

-7

Step-by-step explanation:

-3x+x=4

51-5=46

Answer Link

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