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 ( 35+ )
Otras preguntas
Can you give me the order of Biomes from coldest to hottest please?-tundra-taiga-temperate deciduous forest-temperate grassland-temperate woodland (chaparral)-d
in what way is a gene pool representative of a population
The shape of the clock is a regular dodecagon with a radius of 14cm. Centered on the clock's face is a green circle of radius 9cm. If the region outside the cir
translate into an equation. Five times the sum of twice a number, x, and six is thirty. Find the number.x = Translate into an equation. The difference b
Propane and oxygen react according to the equation: C₃H₈(g) + 5O₂(g) → 3CO₂(g) + 4H₂O(g). How many grams of water can be produced from the complete combustion o
What is the 50th term of the arithmetic sequence 4, 10, 16, 22, … ? Can someone explain this one?
What steps did president Wilson have to take to make an official declaration of war?
The net force acting on a 50 kg crate is 0 N. What is the crate's acceleration
At the concession stand of a school foot ball game, sandwiches cost $1.50 and a bottle of water costs $.90. The school sells 40 sandwiches and 80 bottles of wat
what other information do you need to prove triangle GHK is congruent to triangle KLG by SAS