nr390035 nr390035

14-08-2020
Mathematics

contestada

what is the answer to 13a - 8a + 9b - 4b

Respuesta :

Аноним Аноним

14-08-2020

Answer:

5a + 5b

Step-by-step explanation:

[tex]13a-8a+9b-4b\\\mathrm{Add\:similar\:elements:}\:13a-8a=5a\\=5a+9b-4b\\\mathrm{Add\:similar\:elements:}\:9b-4b=5b\\=5a+5b[/tex]

Answer Link

Otras preguntas

A bag contains the following marbles: 8 black marbles, 12 blue marbles, 18 brown marbles, and 6 green marbles. What is the ratio of brown marbles to blue marble

600+39 what does it add up to help

y = -x + 3 2y + 2x = 4

Any gîrls here free to talk

CAN YOU PLES FRIEND ME

Sam says, "All tigers have stripes." Bob says, "I see a tiger!" What conclusion can Sam draw? What Law did he use to reach that conclusion?

what do you do when you feel burned out? Any self care that you do try to create?

Roxy's new employer pays employees bimonthly, which is twice a month. She'll earn $30 per hour with the new company. She plans to continue making extra money by

All are positive ways to deal with chronic stress EXCEPT: A. Meditation or listening to music B. Ignoring the problem C. Exercise D. Talking with a trusted adul

A one-day pass to an amusement park costs $40. A round-trip bus ticket to the park costs $5. Write two equivalent expressions to find the total cost of a one-da