Anaumahmood Anaumahmood
  • 22-02-2021
  • Mathematics
contestada

© Solve the simultaneous equations
-3x + y= – 8
3x + 2y = – 13
X =?
y =?

Relax

Respuesta :

cliffordisodd
cliffordisodd cliffordisodd
  • 22-02-2021

Answer:

x=1/3

y=-7

Step-by-step explanation:

using the elimination method, you can add both equations vertically, to eliminate the x

-3x+y=-8

3x+2y=-13

3y=-21

y=-7

we then fix the value of y into the first equation

-3x+y=-8

-3x-7=-8

-3x=-8+7

-3x=-1

x=1/3

Answer Link

Otras preguntas

What is the correct serving size for a piece of meat? the size of the palm of your hand, the size of the fingers of your hand, the size of your fist, there is n
What are two ways in which simple villages become more complex?
how to put the following in order largest to smallest 0.20.7569%
What word relationship are tunnel ,cave ,note ,song show?
Which of the following ideals are the main goals of the United Nations
What dose smidgen mean
Who decided the 1824 presidential election, and why?
The number of subsets are. ( 5,18,20,7,19) is
all puppies are cute. how can i write this as a conditional?
marietta was given a race of $0.75 an hour , which brought her hourly wage to $12.25 . write and solve an equation to determine marietta's hourly wage before he