LuisaMadigan448 LuisaMadigan448
  • 24-06-2015
  • Mathematics
contestada

Solve for both systems: 2x + 5y = 24 and - 2x + 3y = 40

Respuesta :

ImpatientAngel
ImpatientAngel ImpatientAngel
  • 24-06-2015
Good Luckys...................
Ver imagen ImpatientAngel
Answer Link
Azgarok
Azgarok Azgarok
  • 24-06-2015
[tex]\begin{cases} 2x+5y&=24(1)\\ -2x+3y&=40(2) \end{cases} (1)+(2) : 8y=64 \Rightarrow y=\frac{64}8=8\\(1) : x=\frac{24-5y}2=\frac{24-5\cdot8}2=-8 \\\boxed{x=-8,y=8}[/tex]
Answer Link

Otras preguntas

In what types of environments would you find protists?
Why are the irish famous for drinking?
Iliada went to Minewaska state park one day this summer. All of the people at the park were either either hiking or bike riding. There are 178 more hikers than
How do amoebas obtain food?
How do amoebas obtain food?
Why are the irish famous for drinking?
what is 0.000702 in scientific notation.
if 9^x-9^x-1=24, then find the value of (6x)^x
The scale of a square map indicates that each inch on the map corresponds to 5 miles. Write an expression that describes the area of land shown on the map. If t
What kind of molecule is an enzyme? Why are enzymes important in cell?