kiarakidd21 kiarakidd21
  • 27-01-2018
  • Mathematics
contestada

4x-9y=1, -4x+6y=-2
solve the system of equations using the linear combination method.

Respuesta :

frenchiegirl
frenchiegirl frenchiegirl
  • 28-01-2018
4  x - 9 y = 1
- 4 x + 6 y = - 2 

- 3 y = - 1 
y = 1 

4 x - 9 y = 1
4 x - 9 ( 1) = 1
4 x - 9 = 1
4 x = 1 +9
4 x = 10 
x = 10/4 = 2.5 

S ( 2.5 ; 1) 
Answer Link

Otras preguntas

What is the value of e?
Who typically implements strategy in large, multi-industry corporations? a. The board of directors b. Top management c. Middle management d. First level managem
What is the domain of f(x)? {x| –4 < x ≤ 4} {x| –3 < x ≤ 4} {x| 1 < x ≤ 4} {x| 2 < x ≤ 4}
26.5-9.3 using compention
42 is 250% of what number
a soda container holds 51\2 gallons of soda .how many
The first nine amendments to the Constitution deal with A. voting rights and procedures. B. national elections. C. federalism. D. individual rights.
in order for an airplane to bank, does it need to accelerate
A counter top is 16 feet long and 3 feet wide. Tile costs $28 per square meter. How much will it cost to cover the counter top with new tile
Which Senate committee is equally staffed by both parties? the standing committee the select committee the joint committee the special committee