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 ( 96+ )
Otras preguntas
Multiply. -8 x (-7/4) Write your answer in simplest form.
How did the Vietnam War affect Johnson's War on Poverty?
What was president Johnson borad program of domestic politics called.
Find the slope of the line that passes through the points (-3,1)(-17,2) enter your answer as a fraction with no spaces
The volume of a box with height x, length x-1, and width 2x+2 is given by the binomial 2x^3-2x. What is the volume of the box if it’s height is 4 feet?
Who was the cult leader of the Waco Siege in 1993?
How to solve for x?????
What is the domain of the function? y= sqrt 5x-10
Help idk if right I need help on model
Which of the following is the best current estimate of the world's population? A) between 7 and 8 billionB) between 5 and 6 billionC) more than 9 billionD) fewe
