zslz
zslz
02-09-2020
Mathematics
contestada
2x – 4y = 24
x + 3y = 7
Solve by elimination
Respuesta :
movando
movando
02-09-2020
2x-4y=24
X+3y=7 (-2)
2x-4y=24
-2x-6y=-14
——————-
0 -10y=10
Y=-1
Reemplazar y en la ecuación
2x-4(-1)=24
2x+4=24
2X=20
X=10
Y=-1, X= 10
Hope this helps
Answer Link
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
People express themselves more often through ________ language than written language
group benefited most from the policies of President Calvin Coolidge
French was merged with Old English by the _____. Saxons Danes Normans
Which value for A satisfies the equation 3 - 4(1 + A) = 7? A = -2 A = -6 A = 2 A = 6
a farmer has one square field of land if he divides his land into square fields that are one third long and one third wide how many fields does he have
What was the cause of the Great Schism of 1054 between the Eastern and Western Church? a. It was a gradual process of estrangement between the east and the west
You are able to stand on one foot with little difficulty,but you have trouble when you need to turn quickly in a different direction. Which skill should you im
ow much money will you need to invest initially to have $750.00 in 10 years and 8 months if the money is compounded daily at an annual rate 2 1/2%
an exercise machine with original price of $900 is on sale at 21% off what is the discount amount and sale price
Do sentences in English always have a verb? Are there any exceptions to this rule?