noremacnoslen noremacnoslen
  • 03-12-2020
  • Mathematics
contestada

7.) Зу = 2-х
2y + 10 = 6x

Respuesta :

iswaryalakshmi2007 iswaryalakshmi2007
  • 03-12-2020

Answer:

By cross multiplication method

x=

(a

1

b

2

−a

2

b

1

)

(b

1

c

2

−b

2

c

1

)

&

y=

(a

1

b

2

−a

2

b

1

)

(c

1

a

2

−c

2

a

1

)

Where a

1

x+b

1

y+c

1

=0 & a

2

x+b

2

y+c

2

=0

are 2 lines

⇒x=

2(−2)−(3×3)

3(−6)−(−2)(−17)

=

−13

−52

=4

y=

2(−2)−(3×3)

(−17)3−(−6)2

=

−13

−39

=3

⇒

x=4&y=3

Answer Link

Otras preguntas

Who is Hercules giving your best summary.
Urgent!!!! Can y’all help me with this please?
I need the solution to this
What does waves mean in the sentence, “Around 1500 B.C. waves of new people began crossing the Hindu Kush into India”?
An elementary school busses hold 48 students rides a bus to and from How many busses do they ANSWER How do you know your answer is com
La hija de mi hermana es mi O sobrino O nieta O prima Osobrina
How is an object’s position in the solar system affect its motion and temperature?
PLEASE HELP ME NOWWWW REALLY NEED IT ASAP
Read the excerpt from the Constitution of the United States, Article 1, Section 8. [Congress shall have power] to regulate Commerce with foreign Nations, and am
Simplify the expression. 2.6 - 5.3n - 4n + 5 2.6-5.3n - 4n + 5 =