sullivanlivette sullivanlivette
  • 01-02-2021
  • Mathematics
contestada

Solve the system of equations by substitution - 5x+8y= -86
y=6x-43 ​

Respuesta :

asmaNasr
asmaNasr asmaNasr
  • 01-02-2021

Answer:

(6 ,-7)

Step-by-step explanation:

[tex] - 5x + 8y = - 86 \\ y = 6x - 43 \\ - 5x = - 86 - 8y \\ x = 17.2 + 1.6y \\ y = 6(17.2 + 1.6y) - 43 \\ y = 103.2 + 9.6y - 43 \\ 8.6y = - 60.2 \\ y = - 7 \\ [/tex]

[tex]x = 17.2 + 1.6( - 7) \\ x = 17.2 - 11.2 \\ x = 6[/tex]

Answer Link

Otras preguntas

Of mice and men whos gun does george use
Actually, The answer is periods of gloomy
In America, we speak highly of a separation of church and state. Was this separation made in The Crucible trials? Is this lack of separation still a problem in
A teenage boy drifts from one religion or social cause to another, in an effort to "find himself." according to erikson, which developmental crisis is this pers
Of which was the western section of Pennsylvania considered a part?
Study the Proof: Give the reasons for the missing reason. List the number and then state the reason.
you spend $154 to make wooden bookends and plan to sell them online for $8 50 each you will charge an additional $3 25 per book and trap and ship them how many
What did the Control Substances Act do? Provide an example of a drug that could be found within each schedule. In your opinion, what is the basis for the regula
Elena drove 245 miles last week & 222 miles this week.she estimated that she drove about 475 miles bin both weeks.how did she estimate
Evaluate. 4⋅(14−3)+12 324 290 268 144