Tjgg
Tjgg
02-11-2016
Mathematics
contestada
-x+2y=9
-7x-2y=-1
Solve each system by elimination
Respuesta :
Azieq
Azieq
03-11-2016
x - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
Answer Link
VER TODAS LAS RESPUESTAS ( 97+ )
Otras preguntas
What were the major causes of WWII? Please include at least 4 answers.
What is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
What is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
Why is sodium sulphate hemihydrate called as "Plaster of Paris"?
how were north american colonies all similar in the 1700s?
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
The function of the eardrum in the middle ear is to
what's another word for over thinking?
Simplify the expressions: cot 0 sec 0 A. Sin0 B. Csc0 C. Cos0 D. Cos* 0
in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.
