dawani0484
dawani0484 dawani0484
  • 03-07-2021
  • Mathematics
contestada

solve the following simultaneous equations using SUBTITUTION METHOD

m+3n=7 and 5m-n=3​

Respuesta :

niraulajeevan83
niraulajeevan83 niraulajeevan83
  • 03-07-2021

To check:put value of m and n in both equations

Ver imagen niraulajeevan83
Answer Link
Asmae16 Asmae16
  • 03-07-2021

Answer: n=2 and m=1

Step-by-step explanation:

m+3n=7 , 5m-n=3

m=7-3n => 5(7-3n)-n=3

=> 35-15n-n=3

=> -16n=-32

=> n=2

n=2 => 5m-2=3

=> m=1

Answer Link

Otras preguntas

May 30 was selected as Decoration Day first observed because it was NOT an anniversary of a battle. True or False?
Is 9 feet greater less than or equal to 4 yards
If Joan of Arc was such an amazing person, and so faithful to God, why did she die such a terrible death?
explain how fractions an decimals are related
what is one of the primary reasons that trade between nations takes place
Which position was spelled out in the Seneca Falls Declaration of 1848? A. Slavery is evil and must be abolished. B. Women and men are created equal. C. America
The two main philosophies in state politics are _____. A)liberalism B)rationalism C)materialism D)conservatism
Willingness to take turns is one way we can express our attitudes in A. nonverbal communication. B. written language. C. body language. D. spoken language.
Who makes all decisions in a communist country
What is the set of alleles that an individual possesses? A. A gene B. A genotype C. A genome D. A genus