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

Which group of elements ,in the periodic table, would most likely be used for electrical wires?
Which of the following is an extinct group of mollusks related to today's chambered nautilus? A. trilobites B. ammonites C. foraminifera D. stromatolites
solve 5y=135 please help me
Millions of people from the Spanish-speaking U.S. territory of ________________ have moved to the U.S., especially to areas of New York and Florida.
46 cents is what fraction of a dollar
Sometimes a story includes very few specific details about the setting True or False?
what is spiderella mean
What do glaciers and geysers have in common
7. After Stalin died in 1953, the number of people sent to the gulag
Present-day name of the country where Cabot claimed land