Marinavina23
Marinavina23
02-02-2016
Mathematics
contestada
7x+6y=21
X+3y=-12 what is the answer
Respuesta :
Panoyin
Panoyin
02-02-2016
7x + 6y = 21 ⇒ 7x + 6y = 21
1x + 3y = -12 ⇒ 2x + 6y = -24
5x = 45
5 5
x = 9
x + 3y = -12
9 + 3y = -12
- 9 - 9
3y = -21
3 3
y = -7
(x, y) = (9, -7)
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
What's to you hear, when hear we are going to learning "map skills"???
When 20 gal of maple sap are boiled down,the result is 1/2 gal of maple syrup.how much sap is needed to produce a 9 gal of syrup?
The cotton gin and the sewing machine both contributed to the growth of which industry?
The theme of Sandburg's poem "Grass" is A. war. B. freedom. C. peace. D. forgetfulness.
What is a positive connotation for odd??
what is the word form of 3.75
During the Gilded Age, a factory worker who was injured while working generally received
Writting about my friends in french
The Sanchez family is going on vacation. If they drive for 3 hours at the posted speed (Speed limit is 65), how many miles will they travel?
what is 2222 divided by 20
