nigeriatillery
nigeriatillery nigeriatillery
  • 18-11-2016
  • Mathematics
contestada

What is the solution to this system of equations?

-3x - 3y = 3

y= 7x +15

Please write your answer as an ordered pair.

Respuesta :

Аноним Аноним
  • 18-11-2016

-3x - 3y = 3

y= 7x +15

replace 
y= 7x +15 into -3x - 3y = 3
-3x - 3(7x+15) = 3
-3x -21x - 45 = 3
-24x = 48
x = 48/-24
x = -2

y= 7x +15
y= 7(-2) +15
y = -14 + 15
y = 1

solution (-2,1)
Answer Link

Otras preguntas

why was New England an ideal place to build factories?
Miguel's teacher asks him to color 4/8 of his grid. he must use 3 colors; red blue and green. There must be more green sections that red sections. How can Migue
how many minutes are in 180.0 days
A bottle of lotion is shaped like a cylinder with a radius of 3 cm and a height of 12 cm. The empty tube inside the cylinder has a radius of 0.5 cm and is the s
Which of these numbers is between 1 and 3/5 A.8/5 B.5/9 C.5/8 D.3/8
A Digital clock is gaining three minutes every hour.If you set it to the correct time at 6pm on Saturday,when will it show the correct time again ?
1 gallon minus 1 quart, 1 pint, and 1 ounce
What did the Glass-Steagall Act of 1933 and the Federal Securities Act have in common?.
divide 5/3 by 1/4 A.3/20 B.5/12 C.4/9 D. 2 2/5
Which of the following conditions would cause the salinity of ocean water to decrease? A. high rates of evaporation B. melting of glaciers C. erosion of rocks a