marleyrose86
marleyrose86
03-04-2022
Mathematics
contestada
please show all work!! this is algebra.
Respuesta :
Moyalejandra
Moyalejandra
03-04-2022
Franco:
3x+2y=19
Caryl:
2x+4y=24
now use elimination
-2(3x+2y=19)
1(2x+4y=24)
=
-6x-4y=-38
2x+4y=24
add them together
which equals -4x=-14
divide both sides by -4
-4x/-4=-14/-4
x=7/2
we found x, so we subsitute it into the the original equation
3x+2y=19
3(7/2)2y=19
2y+21/2=19
-21/2 -21/2
2y=17/2
divide by 2 on both sides
2y/2= 17/2/2
y=17/4
so x= 7/2 and y= 17/4
Answer Link
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
Find the rectangular coordinates of the point with the polar coordinates (1, 1/2 pi)
The purpose of King’s letter is to cause __________________ to fight ________________________.do you know the rest the sentence
a motorcyclist traveled a distance of 120 miles in 2 hours. traveling at the same speed how far would this motorcyclist travel in 5 hours?
What are three antonyms and three synonyms for the noun of the word Market? market as in a place to buy and sell.
4. Pick three risky weight-loss strategies from this list: fad diets, liquid diets, laxatives and diuretics, and fasting/starvation diets. Write a paragraph for
Which number can each term of the equation be multiplied by to eliminate the fractions before solving? -3/4m-1/2=2+1/5m HELP ME
Somatization is associated with a. schizophrenia. b. depression. c. conversion disorder. d. paranoia.
Arrange this 10 scrambled words:E v b n o l o n d eClue:1: If u love someone , you'll never forget this word...
Justin and Kenneth have been best friends for as long as they can remember. Kenneth loves to run, but Justin hates to exercise. Recently, they both went for an
Which set contains only whole numbers divisible by 6? set W = {3.6, 6, 12, 34, 61, 92} set X = {19, 29, 44, 56, 83} set Y = {6, 24, 36, 78, 84} set Z = {1.2, 6