alexiakou alexiakou
  • 01-04-2020
  • Mathematics
contestada

2x + 4y = 1
3x - 5y = 7
solve the simultaneous equations x

Respuesta :

dannielle
dannielle dannielle
  • 01-04-2020

Answer:

(x,y)=(3/2, -1/2)

Step-by-step explanation:

2x+4y=1  /*3

3x-5y=7  /*(-2)

6x+12y=3

-6x+10y=-14

...........................

/      22y=-11

      y= -11/22

     y= -1/2

2x+4*(-1/2)=1

2x-2=1

+2     +2

2x=3

x=3/2

so the solutionis (x,y)=(3/2, -1/2)

Answer Link

Otras preguntas

Who makes federal laws?
help on questions 11 and 15 Add and simplify if possible
round 75.4614 to the nearest thousandth
Who was President during World War I?
What is the gram-formula mass of Fe(NO3)3? (1) 146 g/mol (3) 214 g/mol (2) 194 g/mol (4) 242 g/mol
We elect a U.S. Representative for how many years?
What happened at the Constitutional Convention?
What is freedom of religion?
The price of play equipment for the school has just been reduced by 25%. The new , reduced price of the play equipment is 1500. What is the original price befor
Equal amounts or ethanol and water are mixed at room temperature and at 101.3 kPa. Which process is used to separate ethanol from the mixture? (1) distillation