donnyman05
donnyman05 donnyman05
  • 09-02-2020
  • Mathematics
contestada

-6x + 3y = 9
10x + 4y = -6
​

Respuesta :

spxoxoalien
spxoxoalien spxoxoalien
  • 09-02-2020

Step-by-step explanation:

(-6x +3y=9 )×4

( 10x+4y)×3

-24x +12y =36

30x+12y= -18

-24x+12y- (30x+12y)= 36-(-18)

-54x = 54

x= -1

by using 10x +4y = -6

apply x= -1

-10+4y= -6

4y= -6 +10

4y=4

y=1

so the answer is x=-1 and y= 1

Answer Link

Otras preguntas

What are the signs and symptoms of mumps?​
what is the genotype ration between. the cross YyRr x YyRr​
If the length of a rectangle is 16 cm and breadth is 7 cm, the area in square centimetres will be
I need help making weather scenarios also the first on is an example.
Can someone help with this?
1. In which season is ice cream popular?in ​
A baker needs 15 lb of cream cheese that contains 20% fat to fill a big order. But his supplier delivers one cream cheese that contains 10% fat, and another tha
the practical education was strongly criticized by the​
EXPERIMENT 1: Identify the oxidation and reduction half-reactions that occur in Cell 5: Mn(s) | Mn(NO3)2 (aq) || Zn(NO3)2(aq) | Zn(s) Remember to use proper fo
What are the changes in distribution of adaptations of anatomical, behavioral, and physiological traits in a population?