Bjuar10
Bjuar10 Bjuar10
  • 16-11-2016
  • Mathematics
contestada

what is the substitution for 5x-2y=14, 2x-y=5

Respuesta :

FallOutBlink
FallOutBlink FallOutBlink
  • 16-11-2016
Okay so
5x-2y=14
2y=5x-14
y=(5x-14)/2
2x-y=5
y=2x-5
2(2x-5)=5x-14
4x-10=5x-14
x=4

y=(5[4]-14)/2
y=(20-14)/2
y=6/2
y=3

Answer: x=4, y=3
Answer Link

Otras preguntas

.............................................
how does topography affect run off​
HELP ANSWER PLSSSSSSSSSSSS
Identify the property that justifies the statement. OP ≅ RS, so RS ≅ OP Please Hurry!!!!
As illustrated in the baltimore v. Barron harbor case, prior to the civil war, the marshal court ruled that the bill of rights.
Question Who was the first commander of the Continental Army? Charles Cornwallis Nathanael Green George Washington John Burgoyne
What is the frequency of a radio wave with an energy of 8.3 x 10-24 J? [? ] × 10¹²] Hz
A violin string has a length of 0. 350m and is tuned to concert G, with f_G = 392Hz(b) If this position is to remain correct to one-half the width of a finger (
Simplify the following expression: [tex]\frac{-2}{x^{2} -1} + \frac{1}{x+1} - \frac{1}{x-1}[/tex]
Please helpppp!!!!! A tree casts a shadow that is 28 feet long. A person who is 5 feet tall casts a shadow that is 8 feet long. Using similar triangles and prop