goreycorey9000
goreycorey9000
27-10-2017
Mathematics
contestada
Algebra 2 system of equations
Respuesta :
choixongdong
choixongdong
27-10-2017
6x - y = 31 so y = 6x - 31
substitute y = 6x - 31 into 3x + 7y = 8
3x + 7y = 8
3x + 7(6x - 31) = 8
3x + 42x -217 = 8
45x = 225
x = 5
y = 6x - 31
y = 6(5) - 31
y = 30 - 31
y = -1
answer
x = 5 and y = -1
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
which fossil is the youngest and why
Big Steve's, makers of swizzle sticks, is considering the purchase of a new plastic stamping machine. This investment requires an initial outlay of $90 comma
Which of the following is an example of latency? a. Devin plays 10 notes on the guitar per minute b. Susie spends 15 minutes on social media when she is suppose
Pam bought 10 science magazines and 4 books about plants. Each magazine cost [tex]$6, and each book cost $[/tex]12. How much did Pam spend in all?
Anexo 5Un imán tiene dos polos,uno positivo y el otronegativo.Los polos de un imánson norte, sur, este yoesteUn iman tiene cuatropolos.Dos imanes se atraen orep
Who was sirens in the Greek mythology?
The new CEO, Jan Jenisch, has undertaken a restructuring strategy. Why do you think the market reacted negatively to this plan?
Which parameter does NOT need to be monitored during surgery?
What is logos?Select to read the full text of His Majesty's Address on the occasion of takingthe Oath prescribed by the Constitution by King Kamehameha IVOA. an
An arrow pointing to the left is a(n) ______ that could lead someone to shift their attention in a ______ manner.A) Exogenous cue; bottom-upB) Endogenous cue; t
