cupcake56 cupcake56
  • 25-09-2017
  • Mathematics
contestada

Help!! what is -2r-1= -11

Respuesta :

AprilKitties
AprilKitties AprilKitties
  • 25-09-2017
-2r - 1 = -11

So here you want to group all like terms onto either side.

So you can first do this by getting rid of the -1 by adding 1 instead.

-2r -1 + 1 = -11 + 1

-2r = -10

And then now you can just divide both sides by -2.

-2r = -10

/-2    /-2

r = 5
Answer Link
krave1125
krave1125 krave1125
  • 25-09-2017
-2r-1= -11
+1       +1
-2r= -10
r=5
Answer Link

Otras preguntas

a substance that moves  across a cell membrane without using the cells energy tends to move?a.)  away from the area of equilibriumb.) away from the area where i
What is the term for an unsaturated hydrocarbon with at least one double carbon-carbon bond?
When copper is hammered into a sheet what type of change has the matter gone through?
How to write 4/50 as a decimal
The highest point in California is Mount Whitney at 14,494 feet above sea level. The lowest point is the Death Valley at 282 feet below sea level (-282). What i
How much times does 7 go into 17?
A _______________________ parking space is set at an angle of 90 degrees to the curb. A. perpendicular B. parallel C. angled D. small
Three more than the quotient of a number and two is 7
write "P (x) = -36x^2 + 900x - 1584" in standard vertex form, help please!
The highest point in California is Mount Whitney at 14,494 feet above sea level. The lowest point is the Death Valley at 282 feet below sea level (-282). What i