03-01-2020
Mathematics

contestada

-21(a + 2b) + 14a - 9b
It’s hard I’m only a 7th grader

Respuesta :

Yang100 Yang100

03-01-2020

Answer:

-7a-51b

Step-by-step explanation:

-21(a+2b)+14a-9b

-21a-42b+14a-9b

-21a+14a-42b-9b

-7a-42b-9b

-7a-51b

Answer Link

samanthabridges samanthabridges

03-01-2020

Answer: -7a - 51b

Step-by-step explanation:

see photo for work

Ver imagen samanthabridges

Answer Link

Otras preguntas

In triangle ABC, m∠A=55 triangle ABC, m∠A=55°, c=11c=11, and m∠B=19m∠B=19°. Find the perimeter of the triangle

The position of a 55 g oscillating mass is given by x(t)=(2.0cm)cos(10t), where t is in seconds. determine the velocity at t=0.40s

"what are the two major unix system versions?"

Need help for4,5,6 dealing with isosceles triangles

All of the populations of different species that occupy and are adapted to a given area are referred to by which term?

Drag the terms to complete the concept map below. diploid organisms maternal chromosomes meiosis ii sister chromatids separate crossing over occurs haploid game

Shea and her best friend Kelly both babysit during the summer. Shea charges $4 per hour plus a $3 service fee, while Kelly charges $3.50 per hour plus a $6 serv

what is the value of x+ 3y + z if x = 3, y = 3, and z = 4

¿_______ está rota la bicicleta? Por qué Cuál Quién Cuántos

please help answer the question