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

what religion was founded by guru nanak dev
what are some 2017 modern examples of people often fear what they do not understand
Some animals have evolved a body form that allows them to run very fast, while others run more slowly. Whereas a cheetah can run at speeds over 50 mph, an eleph
Solve the equation. 8x2 – 4 = 28 4, –4 2, –2 16, –16 8, –8
What is the interquartile range (IQR) for the data set? 12, 14, 15, 18, 22, 24, 28, 31, 35
Which of the following is an organization that helps people in their final days of life?
Given that the density of water is 0.975 g/mL and that 171 g of sucrose (molar mass: 342.30 g/mol) is dissolved in 512.85 mL of water at 80°C, what is the molal
I need to know the larger number of followers in scientific notation
what literary device is the trees dances in the wind
Can someone at least help me with this one... the bottom empty one...