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

what is the answer to the highlighted question?? PLEASE HELP
Solve: +8 + (-8) +3 - (+3)
Underline the dependent clause. Because sixty-three unique combinations of dots are possible,Braille is quite flexible
What is equivalent to (73)–2
Josephine owns a little café in the East Village in New York. She offers a wide range of breakfast and lunch items but none of her dishes use any ingredients ma
Select the sentence from the article that suggests volcanic activity in the ring of fire creates changes to the earth that most people never see
What is the importance of big O notation in programming?.
2. What is the radius of Circle C?
what is the main reason /purpose for the human body joints ?​
Please simplify this with explanation -10+4(2b+2)=