medswilson medswilson

20-05-2015
Mathematics

Answered

solve each system by elimination> 9x-3y=3: 3x+8y=-17

Verified Answer :

hunaifirst hunaifirst

21-05-2015

9x-3y=3. |x3| 27x-9y=9
3x+8y=-17. |x9|27x+72y=-153
--------------------------------- -

-81y=162
y=-2

9x-3y=3
9x-3(-2)=3
9x+6=3
9x=3-6
x=-3/9
x=-⅓

x=-⅓
y=-2

Answer Link

Related Questions

1 92 of what number is 69 2 20 of what number is 34 3 10 of what number is 80 4 4 of what number is 25

How does the fact that knowing John Marshall was a Federalist influence this case

If you answer ALL questions listed you get a good amount of points 3 questions 5 points each 15 points total D 1 Which pair are solutions to the equation 4xy 8

Is there an way to use Photoshop for FREE but not the trial one

Briefly describe the location temperature and rainfall characteristics of tropical temperate and polar climate

How did AntiFederalists feel about a strong central government

How do you divide 8 by 10

At the start of the day there was 12975 in the till One hour later there is 14550 How much money did the shop make in an hour

solve the proportion 35d 1415

Why are wedges and screws part of the inclined plane family of simple machines

Web Analytics