angelinalikeshorses angelinalikeshorses
  • 01-08-2021
  • Mathematics
contestada

PLease help and explain

PLease help and explain class=

Respuesta :

Аноним Аноним
  • 01-08-2021
  • 4x+3y=23----(1)
  • x-5y=0----(2)

From eq(2)

[tex]\\ \sf\longmapsto x-5y=0[/tex]

[tex]\\ \sf\longmapsto x=5y\dots(3)[/tex]

  • Put the value in eq(1)

[tex]\\ \sf\longmapsto 4x+3y=23[/tex]

[tex]\\ \sf\longmapsto 4(5y)+3y=23[/tex]

[tex]\\ \sf\longmapsto 20y+3y=23[/tex]

[tex]\\ \sf\longmapsto 23y=23[/tex]

[tex]\\ \sf\longmapsto y=1[/tex]

  • Put the value in eq(3)

[tex]\\ \sf\longmapsto x=5y[/tex]

[tex]\\ \sf\longmapsto x=5(1)[/tex]

[tex]\\ \sf\longmapsto x=5[/tex]

Hence

(x,y)=(5,1)

Answer Link

Otras preguntas

Find the percent of each number what's 25% of 56
Jack broke apart 5×216 as (5×200) (5×16) to multiply mentally. What strategy did Jack use?
Convert the scale map to unit rate. For every 3/10 of an inch that equals 7/8 mile. How many inches represents one mile?
The language and culture of the Byzantine Empire were generally A. Persian. B. Roman. C. Greek. D. Turkish.
Why were few court cases won against monopolies and trusts during the Gilded Age?
in what way did British leaders misunderstand the Revolutionary War
reason abstractly: the formula F= 1.8C+32 allows you to find the Fahrenheit (F) temperature for a given Celsius (C) temperature. Solve the equation for C to pro
Why are fixed resistors’ values indicated by color bands rather than printing the numeric value on their exterior?
If you needed to triple a recipe would the rate change? Please explain
what is 54÷6+2×(8-3×4)? show work