ellej97 ellej97
  • 04-09-2019
  • Mathematics
contestada

15x + 31y = -3
X= -y +3

Respuesta :

Pashley Pashley
  • 04-09-2019

Step-by-step explanation:

x+y=3

x=3-y

15 (3-y)+31y =-3

45-y+31y=-3

-y+31y =-3-45

30y÷30=-48÷30

y=-1,6

x+y=3

x+-1,6=3

x-1,6=3

x=3+1,6

x=4,6

Answer Link

Otras preguntas

Help PLease 20 Points
V 2 O 5 + H C I V O C 13 + H2 0
PLEASE HELP!!!!!!!!!!!!! What should go here active voice? or passive voice?
What percent of 90 is 19?
A garden table and a bench cost $610 combined. The garden table costs $40 less than the bench. What is the cost of the bench?
is it true or false When an object speeds up, it gains momentum.
When was the last us constitutional amendment.
The black graph is the graph of y = f(x). Choose the equation for the red graph.
What are two angles within 0°-360° that has a cosine of negative root three over 2? Show work please Determine two angles between 0° and 360° that has a cosine
If 7x - 6y = 10 is a true equation, what would be the value of 21x – 18y?​