jmenzie2024
jmenzie2024 jmenzie2024
  • 17-06-2021
  • Mathematics
contestada

4x=3y+23
4y+3x=-19
solve by substitution. No files pls

Respuesta :

Abu99
Abu99 Abu99
  • 17-06-2021

Answer:

x = ⁷/₅

y = ⁻²⁹/₅

Step-by-step explanation:

4x = 3y + 23 (×3)

12x = 9y + 69

4y + 3x = -19

3x = -4y - 19 (×4)

12x = -16y - 76

∴ 9y + 69 = -16y - 76

25y = -145

y = ⁻²⁹/₅

12x = 9(⁻²⁹/₅) + 69

12x = 69 - ²⁶¹/₅

12x = ⁸⁴/₅

x = ⁷/₅

Answer Link

Otras preguntas

Why was the empresario system important to the Mexican government?
What product did the Cajun cowboys transport to steamboats? Question 5 options: A.Cotton B.Sugar C.Cattle D.Indigo
I need the very bottom one!! Please someone help. Will give 20 pts.
Translate the English subject pronouns to Spanish and type them in the spaces below. I you-familiar singular he we, feminine you-formal plural you-plural,
whats 82.72+54.66 by adding
How does substituting a hydrogen atom with a halogen in a hydrocarbon affect the resulting compound? A. All the single bonds in the original molecule change to
on a hike, each hiker carries the items shown. write an expression in simplist form that repesents the weight(in pounds) carried by x hikers. interpret the expr
A square is drawn that has a perimeter of one yard. What is the area of the square
in a scalene triangle the shortest side is opposite the angle with the smallest measure? true or false
Describe how characters can advance the plot