marica24 marica24
  • 03-10-2018
  • Mathematics
contestada

if (3,n) is a solution of Ax+3y=6 and (n,5) is a solution of 5x+y=20,what is the value of A?

Respuesta :

crisforp
crisforp crisforp
  • 03-10-2018

We have 3A + 3n = 6 and 5n + 5 = 20;

Then, 5n = 15;

n = 3;

Finally, 3A + 9 = 6;

3A = -3;

A = -1;

Answer Link

Otras preguntas

If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
write words to match the expression. 24- ( 6+3)
Which two numbers have a difference of 5 and a product of 3.36???
write words to match the expression. 24- ( 6+3)
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
write words to match the expression. 24- ( 6+3)
Which two numbers have a difference of 5 and a product of 3.36???
Which two numbers have a difference of 5 and a product of 3.36???
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?