bennettmekhi02
bennettmekhi02 bennettmekhi02
  • 20-01-2024
  • Mathematics
contestada

Solve.

{m+n=5m−n=3

Use the substitution method.

Respuesta :

abiaezutechigoziemic
abiaezutechigoziemic abiaezutechigoziemic
  • 20-01-2024

Step-by-step explanation:

m+n=5 and m-n=3

making m the subject of the formula in (m+n=5)

m=5-n

substitute your answer (m=5-n) in the second equation (m-n=3)

you get (5-n-n=3)

5-2n=3

collect like terms

5-3=2n

2=2n

2n=2

n=2÷2

n=1

Answer Link

Otras preguntas

¡Qué bueno que no tienes nada roto! Es una venda bastante ____________.
Find the volume of the cone. Use π =3.14 and round the answer to the nearest tenth of a cubic inch.
Two equal and opposite charges separated by a distance, d, experience an attractive force, f. if the distance between the charges is reduced to d/2, what is th
What was a government response to the debates over us participation in world war i?
The speed of the international space station is 27,576 kilometres per hour.a) the station travels 42,600 kilometres in one orbit.work out the full orbits the st
What types of plants can you find in the arctic?
What is one factor that can determine the pace of a play?
Elements are placed in the same column of the periodic table because they share the same number of valance electrons.
What is the circular flow model?
0.117647 round to the nearest tenth