MayaEThomas
MayaEThomas MayaEThomas
  • 24-01-2021
  • Mathematics
contestada

Solve the system by substitution.
-2x + 7y = 15
бу = 3

Respuesta :

yasmitadp yasmitadp
  • 24-01-2021

Answer:

Step-by-step explanation:

-2x + 7(1/2) =15

-4x +7 =30

-4x =23

x=-23/4

Answer Link

Otras preguntas

What is the coefficient of the 2nd term of the polynomial 2x3 + 2x2 – 3x + 1?A.3B.1C.4D.2
Per the 25th Amendment, when the president becomes temporarily disabled, __________. A. the vice president automatically assumes the presidency B. Congress must
A nomad is someone who travels around instead of settling in one place. Which of the following sentences best describes why early humans were nomadic? a They mo
What is the isotope and isotopic notation symbol for Z = 29, A = 65?
The war giving Cuba independence from Spain was the Spanish-American War. True False
help!!!!!!!!!!!!! HELP Which is an example of the second Great Awakening's influence on society? A.More people doubted their ministers and stopped going to ch
What were the motives of the crusaders during the first crusade?
What multiplies to get -40 but also adds to get 12?
what is the functional nature of the portal system and how does it differ from normal venous return flow?
Mark Antony expertly used __________, or the language of persuasion, to provoke the Roman crowd into a riot. rhetoric characterization falling action theme