meeee54561 meeee54561
  • 05-03-2021
  • Mathematics
contestada

x + 2y = 10
-6x + 5y = -9
- what is the solution using substitution

Respuesta :

kica226 kica226
  • 05-03-2021
X+2Y=10
X=10-2Y

-6X+5Y= -9
-6(10-2Y)+5Y= -9
-60+12Y+5Y= -9
17Y= -9+60
17Y=51
Y=3

X=10-2Y
X=10-2•3
X=10-6
X=4
Answer Link

Otras preguntas

Swimming near a strong current could cause you to drown. true false
Explain how dementia can affect an individuals ability to make themselves understood
The perimeter of a rectangular playground must be no greater than 120 m. One dimension of the playground must be 22 m. Find the possible lengths of the other di
A thesis statement is not ?
write an equation in point-slope form for the line through the given point with the given slope. (10, –9); m = –2 a. y – 9 = –2(x – 10) b. y – 10 = –2(x 9) c. y
Which answer best summarizes the events from the poem contained in the following lines? "This plainly he saw then Who with mirth of mood malice no little Had wr
A patient with a cancerous tumor may seek treatment for his condition from a physician whose specialty is
analyze the restriction of individual rights and the use of mass terror against populations in the Soviet Union, Nazi Germany, and occupied territories explain
Once collins is in the meadow, he begins to
find the four arithmetic means between 40 and 10. at first i thought it was 20 and 30, but that's only 2