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

Will someone please explain how to do -(7c-18)-2>0 Step for step??? I don't understand how to.
Air pollution affects everyone equally. True or false?
Mrs. Jennings had a 5/7 gallon of paint. She gave 1/7 gallon each to some students. How many students received paint if Mrs. Jennings gave away all the paint?
Angelina bought a 64 ounce can of lemonade mix. She uses 4 ounces of mix for each pitcher of lemonade. How me pitcher of lemonade angelina make from the can of
during the lunch break a deli sold 36 large sodas if the ratio of large sodas sold to small sodas sold was 4 : 1 how many small sodas were sold
is 2 squared between 1.4 and 1.5
what number must be added to 15,-6,& 12 to have a mean of 5? EXPLAIN!!
A rectangular park is 150 yards on one side and 125 yards on the other.a. If Debbie walks around the park 2 times, how far does she walk ? b. If Debbie wanted t
what is the value of the tape diagram if the ratio is 8 to 7 and the total is 195
The quotient of a number and 5, minus 2,is 8.