mikaikaa
mikaikaa mikaikaa
  • 03-11-2020
  • Mathematics
contestada

plz explain how to solve
-12 - (-21) i already know the answer but i need to show work thx

Respuesta :

gr00vinmax gr00vinmax
  • 03-11-2020
change the subtraction sign and the negative from -21 to addition
-12 + (+21) =9
Answer Link

Otras preguntas

what two factors affect the rate of acceleration of an object ?
Which of the following words best describes Africa? A. Country B. Continent C. Desert D. River
Why can't chemical changes be reversed?
How many more equal sides does an equilateral triangle have than a right isosceles triangle?
How do you work this out ? h= -16t²+64+0=0
write a real word problem that results in an answer of 0.58
Some portion of the milk produced in the United States comes from cows treated with genetically manipulated hormones that increase a cow's milk production. This
Which statement best explains why German leaders were irritated with colonialism in Africa? They believed the colonization of Africa was immoral and illegal. Th
Mark the statement if it correctly describes Alexander 1
Why do most wealthy nations have much higher tax rates than the United States does? They steal money from their citizens. They spend much more on their armies.