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 ( 61+ )
Otras preguntas
What theme does pop music typically used in the lyrics? describe one pop song that uses this theme. why is this theme such a popular one?
Parallel to y=3x+1 passing through (1,-1)
HELP PLEASE! What is the index of refraction? (a) the percentage that the light ray bent when it entered the new medium (b) the amount the light ray has bent to
During the Industrial Age, what was one important way businesses told consumers about new products?
What is the median of the data set represented by the dot plot? Enter the answer in the box.
During starvation, the body’s first priority is to A. preserve glucose-dependent tissue. B. maintain muscle mass. C. use the energy reserves found in
Technology also influences human life and death, directly affecting population. Explain how?
An exothermic reaction often requires greater safety precautions than an endothermic reaction, because of the amount of ______. A. time needed B. oxygen requi
the energy that electromagnetic waves transfer through matter or space is called
Read these lines from "The Bells" and answer the question. How they clang, and clash, and roar! What a horror they outpour On the bosom of the palpitating air
