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

You have a cylinder with a diameter of 15 inches and a height of 12 inches. What is the volume of the largest sphere thg will fit inside it? If you can will you
two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple an
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs are angled at
Was the Gold Rush a good or bad thing for the United States?
When was William Shakespeare born
What is Sir Francis Drake hardships
How does transpiration play a  role in the water cycle ?
A child is standing across the street from his apartment . His mother is on their balcony . The angle of elevation between the child's eyes and his mothers eyes
in an expression(8/9) squared (-81)+3/5dividedby-9/10