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

Complete the table of X- and y- values for each equation.
Last year, Lisa opened an investment account with $8400. At the end of the year, the amount in the account had decreased by 24.5%. How much is this decrease in
Rewrite 0.00384 in scientific notation.
If a block has the following dimensions and a density of 7,8 g/cm what is the masst?L = 5.0 cmW = 6.0 cmH = 2.0 cm
Suppose that the functions f and g are defined as follows F(x)=5/x+7g(x)=2/xFind f/g then give its domain using an interval or union of intervals Simplify your
Part EWhich ordered pair on the graph represents the situation describedin part D?
Find the values of x and y in the equation below.a³b4a²b= a*b²X=
if g(y) = 5, then solve for g(-1)
Destiny needs a new coat for the winter and she found one at Old Navy for $48.88. The sale tax is 8%. How much will she pay for the sales tax? How much will she
The perimeter of rhombus EFGH is 48 cm and the measure of