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

Many Greek tragedies and comedies have survived to this day. a. True b. False
a tiny leaf-like structure inside a seed is a ________?
all the common factors of 10 and 25
Justin gave the clerk $20 to pay a bill of $6.57. How much change should Justin get?
Rewrite the following expression using Grouping Symbols: 5 * 8 - 5 * 12
how did the drought affect georgia during the great depression
You and a classmate have a bug collection for science class. You find 5 out of every 9 bugs in the collection. You find 4 more bugs than your classmate. How many
Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave A) absorption. B) diffraction. C) reflection. Eliminate D)
Which of the following BEST explains why President Lyndon Johnson, subsequent to President Kennedy's assassination, did not have the support of a Vice President
Thom’s restaurant bill is $45, and he leaves a 20 percent tip. What is the total cost for Thom’s meal?