bradensanchez11
bradensanchez11
02-12-2014
Mathematics
contestada
how do i solve 7x-y=21
Respuesta :
NasimAljabri
NasimAljabri
02-12-2014
it is 3 because we multiply 3 and 7 and we get 21
Answer Link
aceituno98
aceituno98
02-12-2014
The answer answer is actually -3 because you divided 7 from 21 and you get 3 then you divided -1 because the y has a negative sing on it and you want it to be positive. That is why the answer is -3
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
What happens to a sample of matter when it's particles lose kinetic energy?
HELP ME THIS IS EXTRA CREDIT!!!!!!! Mandy’s monthly earnings consist of a fixed salary of $2800 and an 18% commission on all her monthly sales. To cover her pla
how many moles of N2 are in a flask with a volume of 250ml at a pressure of 300.0 KPa and a temp of 300.0 K
What role does the stock market play in a market economy? It provides businesses with money for growth in exchange for shares of ownership. It provides the gove
Monica has a triangular piece of fabric the height of the triangle is 15 inches and the triangles base is 6 inches Monica says that the area of the fabric is 90
What experimental evidence did Thomson have for each statement? A. Electrons have a negative charge. B. Atoms of all elements contain electrons.
how many acres of land are in a rectanglar parcel 234' * 878'
Choose the correct simplification of the expression (2ab5)3. 8ab15 8a3b8 5a3b15 8a3b15
Let f(x) = 5x^3 + 7x^2 + 4x - 5. Write a function g that reflects f(x) across the y-axis.
what is Fossil-rich limestone?
