Izab15
Izab15
02-11-2017
Mathematics
contestada
Elimination
4x+5y=-15
-3x-2y=13
Respuesta :
Dreamer4102001
Dreamer4102001
04-11-2017
multiply the first equation by 3 and tge second by 4:
12x+15y=-45
-12x-8y=52
then add the equations:
0x+7y=7
7y=7
y=1
so 4x+5(1)=-15
4x+5=-15
4x=-20
x=-5
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
How would you turn a basic summary of a story into a theme-based summary? by replacing all the information about plot with a one-sentence summary of the theme b
can anyone give me a quote from the book the outsiders of pony boys point of view
Show that the relationship between impulse and the change in momentum is another way of stating Newton's second law of motion.
The nuclear envelope disintegrates during _____.
What type of organic chemical are hormones?
________ plays a critical role as a neurotransmitter that stimulates skeletal muscles to contract.
List and describe the three sets of procedures used to detect, contain, and resolve an incident.
The short-run aggregate supply curve shows the relationship between
Tell me all about a tornado. I legit dunno what it is and didn't know what to put it under
HELP ASAP!!! solve the equation. check the solution. a/a^2-16 + 2/a-4 = 2/a+4 a) -16,-4 b) 4 c) -16,4 d) -16
