Steph23465
Steph23465
04-02-2016
Mathematics
contestada
Y=-2x-6
Y=x+9
Elimination method
Respuesta :
apologiabiology
apologiabiology
04-02-2016
so we have
y=-2x-6
y=x+9
elimination
multiply second by e
2y=2x+18
just add them
y=-2x-6
2y=2x+18 +
3y=0x+12
3y=12
divide by 3
y=4
subsitue
4=x+9
subtract 9
-5=x
x=-5
y=4
Answer Link
VER TODAS LAS RESPUESTAS ( 69+ )
Otras preguntas
Forma oraciones completas para describir lo que hacían Julieta y César. Usa las formas correctas del imperfecto y añade todas las palabras necesarias. October 2
Martha estimated the quotient of -71.81 and -8.02 using rounding to the nearest whole number. What was Martha’s error? She should have rounded the dividend to
PLEASE HELP IMMEDIATELY!
Jessica opens up the front door and turned on the fan to cool the house down. Which answer corrects the error in verb tense in the sentence? Jessica open
according to this food web, which of the following would be considered primary consumers? this is for language arts also
A floppy disk can store 1440000 bytes of data. A)write the number 1440000 in a standard form
The threat by British General Patrick Ferguson to ""march his army over the mountains… and lay their country waste with fire and sword"" and the Waxhaw Massacre
what is the upper layer of the rainforest
How did King Ferdinand view labor in the Americas?
so if people in german speaked English for 1 hour would they be able to still understand what we are saying even though they are English for a hour?