doggilo doggilo
  • 27-04-2020
  • Mathematics
contestada

7y+10x=-11 and 4y-3y=-15 what is y what is x

Respuesta :

EdrianKTDTHB
EdrianKTDTHB EdrianKTDTHB
  • 27-04-2020

Answer:

[tex]x = \frac{ - 7}{10} y + \frac{ - 11}{10} [/tex]

Step-by-step explanation:

Solve for x

Add - 7 to both sides

[tex]10x + 7y + ( - 7y) = - 11 + ( - 7y) \\ 10x = - 7y - 11[/tex]

Now divide both sides by 10

[tex] \frac{10x}{10} = \frac{ - 7y - 11}{10 } \\ x = \frac{ - 7}{10} y + \frac{ - 11}{10} [/tex]

Sorry b cause i cant help for y

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