zilove
zilove
02-11-2016
Mathematics
contestada
solve by substitution 3y-2x=10 and x=9-2y
Respuesta :
babygirl0328
babygirl0328
02-11-2016
3y-2(9-2y)=10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3(-28)-2x=10
-84-2x=10
-2x=94
x=-47
so x is -47 and y is -28
Answer Link
VER TODAS LAS RESPUESTAS ( 89+ )
Otras preguntas
Can someone please help me solve the equation?
Two points are plotted on a number line: -11.2 and 3.3. What is the distance between these two points?
What would you need to do to calculate the molality of 10 g of NaCl in 2 kg of water? A. Convert the 2 kg of water to liters of water. O B. Convert the 10 g of
Umm can I pls have some help i keep getting the answer wrong and they literally had the same answer i had
6. Ideal measure of Central tendency and dispersion are: a. Mean and mean deviation b. Median and quartile deviation c. Median and standard deviation d. Mean an
if a 27% is a sale profit , how much profit is in the sale of $4650?pls explain if u can. thanks!!
A marina is in the shape of a coordinate grid. Boat A is docked at (2.4, -3) and Boat B is docked at (-3.4, -3). The boats are ___ units apart. A 5.8 B 6.4 C
ayuda porfavor miren las imágenes
50 points pls help. question down below explaination is option but with if u want brainlist u know
2.Năm 1908, dưới ảnh hưởng trực tiếp của phong trào Duy Tân, ở Trung Kỳ đã 10 điểm A. thu hút nhiều thanh niên tham gia phong trào Đông Du B. bùng nổ khởi nghĩa
