as100607 as100607
  • 04-05-2021
  • Mathematics
contestada

-10x – 2y = -30
3x + 2y = 9
X=

Respuesta :

Kesja
Kesja Kesja
  • 04-05-2021

Answer: x = 3

Step-by-step explanation:

-10x - 2y = -30

3x + 2y =9

use elimination method...

-2y and 2y = 0

-10x = - 30

3x = 9

add together...

-7x = -21

solve...

x= 3

Answer Link

Otras preguntas

given the product of 2x+3y and 3y+2x is z.Find the value of y when x=3.2 and z=457.96
Mr. Jansen is building an ice rink in his backyard that will measure 8.4 meters by 22 meters. What is the area of the rink?
How can I solve this
Find the equation of the line perpendicular to x−5y=15 that passes through the point (−2,5).
if 4/5 of the population of a certain town is considered to be middle class and the population of the town is 2,000, how many people are considered middle class
In business markets with inelastic demand​ ________. a. the total demand for products is not much affected by​ short-term price changes b. derived demand is abs
Julian walks a total of 900 meters to work each day. How far does he walk in 10 days
Because there are dozens of brands of tablet computers to choose from, the elasticity of demand for the tablet market is:
Select the Midwestern states.
If the book cost 42.50 and you get a discount of 8%. What's the textbook costs?