arleenwhitted1962 arleenwhitted1962
  • 01-05-2020
  • Mathematics
contestada

Solve this system of equations by
using the elimination method.
3x + 10y = 22
-3x – 8y = -14
|([?], [])
Enter​

Respuesta :

evelynjade
evelynjade evelynjade
  • 01-05-2020

Answer:

y=8 x=-6

Step-by-step explanation:

line them up

3x+10y=22

-3x-8y=-14

add the like terms to get

2y=8

divide by 2

y=4

plug in to any equation

3x+10(4)=22

3x+40=22

subtract 40

3x=-18

divide

x=-6

Answer Link

Otras preguntas

I don't understand 6k-6k+8-12k
Please i need major help. A bookstore sells 4 non fiction books for every 12 fiction books sold. A. What ratio of fiction books sold to non fiction books sold.
How do you calculate how many tenths are in 20.4?
As a clinical chemist in charge of the testing of blood samples. You are required to mix a solution of sodium chloride with water in the ratio of 2:5. =2:52/7 o
in which area did native americans hunt buffalo?.the eastern woodlands.the southeast. the arctic. the great plains
Earl runs 75 meters in 30 seconds.How many meters does Earl run per second?
how to slove A=10,000(1+.08/2)*12
2.51 in expanded and word form
Lea buys 20 picture frames. Some are 4 in. by 6 in. frames which cost $5.80 each, and the rest are 5 in. by 7 in. frames that cost $9.60 each. She spends a tota
You bike for 2 hours at a speed no faster than 17.6 mph. Write an inequality that represents the possible number of miles you bike.