WWEFan1000 WWEFan1000
  • 24-09-2015
  • Mathematics
contestada

Simplify: –4(x – 5) + 3(a – 7)

A.
–4x + 3a + 41

B.
–4x + 3a + 1

C.
–4x + 3a – 1

D.
–4x + 3a – 41

Respuesta :

Exvited
Exvited Exvited
  • 24-09-2015
-4 (x - 5) + 3 (a - 7)

First, expand your problem. / Your problem should look like: -4x + 20 + 3a - 21
Second, simplify. / Your problem should look like: -4x + 3a - 1

Answer: -4x + 3a - 1 (C)

Answer Link
Аноним Аноним
  • 24-09-2015
−4(x−5)+3(a−7)

Distribute:

=(−4)(x)+(−4)(−5)+(3)(a)+(3)(−7)

=−4x+20+3a+−21

Combine Like Terms:

=−4x+20+3a+−21

=(3a)+(−4x)+(20+−21)

=3a+−4x+−1

Answer Link

Otras preguntas

PLZ HELP ME FAST! How does the placement of the metal coil closer or further away from the magnet affect the motor’s strength? Why?
Fill in the blank with the correct subjunctive form of the verb in parentheses. ellos _____ (comer) A. coman B. comen C. coma D. come i know the answer it
Need help!!!!!!! Please answer only if you know the answer
Which is NOT used to classify organisms? A. ancestry B. habitat C. age of the organism D. dichotomous key
There are universities on all of the Pacific Islands. Please select the best answer from the choices provided T f
Question Navigator 3. (10 pt) Read the description, then decide which group this animal belongs to: Angela found an animal while walking in the forest. Looking
what are 5 differences between an oligarchy and democracy​
Please answer this question only if you know the answer!!! :)
What was the significance of the mayflower compact?
..............................