paddikakes55 paddikakes55
  • 04-06-2017
  • Mathematics
contestada

2x - 3y = -12
y = 9 - x
Solve by substitution

Respuesta :

azhangstuy
azhangstuy azhangstuy
  • 04-06-2017
2x - 3(9-x) = -12

2x-27+3x=-12

5x-27=-12

5x=15

x=3

y=9-x
y=9-3

y=6

x=3
y=6
Answer Link

Otras preguntas

Why is cactus hill really important?
Rachel deposited $200 into an account that earns 6% interest compounded twice a year for 10 years
PLZ HELP ME SOMEONE! Carol and Nora left the library at the same time. Carol biked east at a speed of 8 miles per hour. Nora biked west at a speed of 10 miles p
Which of the following is a clause? Clapping and laughing excitedly Whereas I love ice cream The captain and his rowdy crew standing To get up and go
How did expanding democracy bring Andrew Jackson to power?
Emma uses a 250-meter roll of crepe paper to make steamers. How many dekameters of crepe paper does Emma use?
In the early 19th century, Americans sought to resolve their political disputes through compromise, yet by 1860 this no longer seemed possible. Analyze the reas
18.2 18.45 18.6 18.76 I needed to order them smallest to largest did I do it right?
With which of these positions would President Calvin Coolidge have agreed?
if you have a rectangle and the width of the rectangle is 254 what is the perimeter?