fflagler fflagler
  • 25-05-2018
  • Mathematics
contestada

how do you write and solve equation with an unknown number?

Respuesta :

laratunca
laratunca laratunca
  • 25-05-2018
You have to isolate the variable using inverse operations in order to get it alone. Example: x+3=5
Subtract 3 on both sides since you are adding 3, and subtraction is the opposite of addition.
x=2 is your answer. If you check and plug it in, you will see that it is a correct equation.
Answer Link

Otras preguntas

Argue your support for the North to include accurate details about causes and effects of the war and your reasons for fighting for the Union. Describe how the o
what is a xylophone? need help pls
in the given figure , the value of x is
The following 3-D object is composed of identical cubes. The volume of the 3-D object is 56cm cubed. The surface area of the 3-D object is a) 30cm squaredb) 60c
if a line passes through the point (1,9) and has a slope of 6 , write it as an equation
in the given figure , if PQ ll RS , angle TRS = 105 and angle RTP = 30 , then the value of x is
13. Sound waves can't travel through A. a solid. B. a liquid. C. an elastic material. D. a vacuum.
if a line passes through the point (1,9) and has a slope of 6 , write it as an equation
why does alaska have really long days during some times of the year and really short days during other times?
if a line passes through the point (1,9) and has a slope of 6 , write it as an equation