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

The most extreme form of escape or withdrawal from frustration is ________.
To make 1 1/2 dozen muffins, a recipe uses 3 1/2 cups of flour. How many cups of flour are needed for every dozen muffins made? Enter your answer in the box as
Who is the man in the american flag shirt in forrest gump?
repondez aux questions avec des phrases completes en francais a quelle heure est le cours de mathematiques? comment est le prof d’informatique?
Help!!!!!!!!!!!!!!!!!!!!!!!!!!!
the observation of wildlife by early humans to determine what was safe to eat is an ____ of wildlife?
**Please check my first 2 answers** 8 × 19 A. (8 × 10) + (8 × 1) B. (8 × 20) − (8 × 1) (I choose this) C. (8 × 20) − 1 D. (8 × 10) − (8 × 1) ========= 2(9
What should be done after a spill is wiped up with a cloth?
in a 10x10 grid that represents 800, one square represents
How did the admission of new territories and states increase the tension between free and slave states?