lap90 lap90
  • 19-09-2015
  • Mathematics
contestada

how to solve 7+(-15)+12

Respuesta :

RedRicin
RedRicin RedRicin
  • 19-09-2015
7+(-15)+12
Adding a negative number is the same as simply subtracting it.
7-15+12
7 - 15 = negative 8 (use a number line)
-8 + 12 = 4 (use a number line)
Answer Link
Exvited
Exvited Exvited
  • 19-09-2015
7 + (-15) + 12

First, simplify brackets. / Your problem should look like: 7 - 15 + 12.
Second, simplify. / Your problem should look like: 4.

Answer: 4

Answer Link

Otras preguntas

What does a cultural historian study? A. the development of specific groups of people, or of particular ways of organizing human life B. the development of ar
which of the following is the best example of a check on President power
The conquistador who added the lands of the present day countries of peru, Ecuador, and Chile to the Spanish empire was?
During the Great Depression in Australia, a transient worker who traveled by foot looking for temporary work was called a __________ because of the waterproof s
Which two elements of Shackleton's South! are common traits of a memoir?
Pick two variables that can affect group work and discussion groups
Joe has read 140 pages of his 300 page book. What percent of the book has he read?
Who wrote petitions to the British Parliament and launched a sugar boycott in their effort to abolish slavery? the Estates General Quakers suffragettes the sans
Sugar comes from tall, grassy sugar cane plants and the fleshy roots of sugar beets. a. True b. False
what is the latin root in terraced