leahxsmith16 leahxsmith16
  • 02-02-2021
  • Mathematics
contestada

Given that 9x–4y = 20. Find y when x= -2

Respuesta :

Teebee13
Teebee13 Teebee13
  • 02-02-2021
9x-4y=20
9(-2)-4y=20
-18-4y=20
-4y=20+18
-4y=38
Y= -9.5
Answer Link

Otras preguntas

how is mass transit in cities a possible solution tk urban air pollution?
Can someone use the word delta in a sentence
what is the answer for (20,8),(9,16) ?
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
(10y^3+20y^2+55y)/5y
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
Scarcity is the condition of not having enough goods and services to satisfy everyone's?
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??