Skata Skata
  • 04-02-2021
  • Mathematics
contestada

elimination process

7a-3b = 26
a + 2b =11

Respuesta :

rashmikushwahask
rashmikushwahask rashmikushwahask
  • 04-02-2021

Answer:(a=5,b=3)

7a-3b = 26--------(1)

a + 2b =11---------(2)

on mutlplying by7 in eq 2

= 7a+14b=77-------(3)

from eq(1) and (3) (on substracting)

7a+14b=77

7a-3b=26

________

=-17b=51

b=51/17

b=3

on putting value of b in eq 1

7a-3b = 26

=7a-9=26

7a=35

a=5

Step-by-step explanation:

hope it helps

mark me brainliest

Answer Link

Otras preguntas

Are Countries with low GDPs are the most highly developed countries in the world?
Which of these cities is Timbuktu? a. A b. B c. C d. D
Please I need help for this homework
you have 1 case of soap bars and there are 150 bars in a case. you use 300 bars of soap per day. how many cases do you need to order to have enough for 7 days?
find the greatest common factor of 25 and 33 .
how many feet are there in 216 yards
When first starting out, you should expect to make less money than you will later because?
Specialists in the study of the harmful effects of drugs on the body is a/an what?
what sysytem does the voice box work in
Which of the following statements about the first scuba diving suit is true? a. It weighed about 100 pounds. b. It was made in the 1950s. c. It weighed about 50