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 ( 78+ )
Otras preguntas
Three times geoffs age plus 3 is myrkas age. myrka is 48. what is geoffs age?
The factory workers make 756 machine parts in 36 hours.Suppose the workers make the same numbers of machine parts each hour..How many machine parts do they make
One example of a very complex land ecosystem full of thousands of kinds of living things
Which of the following is the primary function of certification? a. To enforce mandatory government regulations b. To give credit to a facility that meets certa
how does the nucleus of a copper atom compare to the nucleus of a nickel atom
Ratio 5:9 in fraction
Vicky made some purchases at the sunflower market. she bought strawberries for $3.50, carrots for $2.25 and a bouquet of flowers for $9.95. if sales tax is 5%,
Who took the lead in making sure the bill of rights was eventually included in the constitution
a sentence with the word advance and reasoning
Write a comparison sentence to represent this equation 6x7=42