donuts90 donuts90
  • 24-01-2019
  • Mathematics
contestada

7 (3a-2b) + 5b-3 (4a+2)

Respuesta :

poopkid12345 poopkid12345
  • 24-01-2019

Answer: 9a-9b-6


7(3a−2b)+5b−3(4a+2)


Distribute:

7(3a−2b)+5b−3(4a+2)


=(7)(3a)+(7)(−2b)+5b+(−3)(4a)+(−3)(2)


=21a+−14b+5b+−12a+−6


Combine Like Terms:


=21a+−14b+5b+−12a+−6


=(21a+−12a)+(−14b+5b)+(−6)


=9a+−9b+−6



Answer Link

Otras preguntas

Wake up, It's Morning The sun over head is shinning out bright, The birds are chirping a lot in the light. It is time to wave sayonara to your bed, And 'Wake up
Can someone help me with this please
Help me please I don't know how to solve this problem.
Which of the following oceans separates Africa and Australia? (2 points) O Arctic O Atlantic O Indian Pacific​
1. If a mayor mandates that all citizens be off the streets at a certain time, is he or she making a command or a request? Explain your answer.
Scroll down to Page 18.
Rachel has $48 and buys a hoodie for $24. Rachel used the equation 24x = 48 to model her scenario, where x represents the amount of money she has left. After so
A baby weighing 10kg needs 100 ml of fluid per kg in a 24-hour period. Over two days, the child should have: A) 1000 ml B) 2000 ml C) 4800 ml D) 2400 ml
A human resource manager who is trying to find the best ways to help employees deal with stress might use concepts from which discipline
Felix's washing machine uses 6 gallons of water. How much water does it use in liters? A gallon is approximately 3.79 liters. Round to the nearest tenth.​