bsamekram bsamekram
  • 12-12-2021
  • Mathematics
contestada

[tex]x+y=-9\\ x+2y=-25\\what is value of x[/tex]

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 12-12-2021

x + y = -9

x + 2y = -25

Rewrite the first equation as x = -9-y

Relace x in the second equation:

-9-y + 2y = -25

Simplify:

-9 +y = -25

Add 9 to both sides:

y = -16

Now you know y,, replace y in the first equation and solve for x:

x -16 = -9

Add 16 to both sides:

x = 7

Answer: x = 7

Answer Link

Otras preguntas

how to work out 12.5% of a number
which of the following organisms obtain their energy from producers only
If you taking Friday off, how do you plan to spend your long weekend? If you are coming school on Friday, which sessions are you most excited about? At least 3
what structure is covered by many blood vessels and adheres tightly to the surface of the brain?
all graphs range from -10 through 10 ;)​
If the cube shown is 4 inches on all sides, what is the length of the diagonal, x, of the cube? A) 3 square root 2 inches. B) 3 square root 3 inches. C) 3 sq
Please help me I need help with this
which specialized structures are unique to the cnidarians?
Which of these sentences uses commas correctly? * 1 point The man said he grew up in Richmond, Virginia, and would like to go back. The man said he grew up in R
The letters A, B, and C can be arranged in six ways. Five ways are listed below. Find the sixth way. АВС ACB BAC ВСА САВ