siliezarmary siliezarmary
  • 12-09-2020
  • Mathematics
contestada

12a - 6 + 7a - 2a ; a = 4
Need help please

Respuesta :

cleliavillalta cleliavillalta
  • 12-09-2020

Answer:

62

Step-by-step explanation:

Plug in the value of a in the equation:

12(4) - 6 + 7(4) - 2(4)

Solve 12(4) - 6:

12(4) - 6 = 48 - 6 = 42

Solve 7(4) - 2(4):

7(4) - 2(4) = 28 - 8 = 20

Combine both answers (42+20):

42+20 = 62

Complete answer:

12(4) - 6 + 7(4) - 2(4) = 62

Answer Link

Otras preguntas

If utopia only need 1 cup of milk,what is your best choice at a grocery store -a quart container a pint container or a 1/2 gallon container
Which system helps to prevent microscopic infection and also regulates body temperature?
HELP! FAST! Can someone tell me an example of dramatic irony in the story War Horse by Michael Morpugo with page references?
A forest is cut down to make room for a housing development. Which population is most likely to survive? A. raccoons, which can eat a variety of foods B. woo
Briefly discuss the differences and similarities between topographic an orthophoto maps in terms of data sources used to create each type of map, the steps foll
Which is bigger 25yd or 75ft
when does a lunar eclispe happen
Five possible issues that can lead to conflicts in relationships
it has 1 more vertex than an octagon and 2 fewer sides than a hendecagon
−x<−29 inequality x=?