MelaniaPerham105
MelaniaPerham105 MelaniaPerham105
  • 12-08-2015
  • Mathematics
contestada

Simplify: –3(x – 5) – 8(y + 2) + (–3)(6 – 4b) A. –3x –8y – 12b – 15 B. –3x –8y + 12b + 15 C. –3x –8y + 12b + 20 D. –3x –8y + 12b – 19

Respuesta :

JaySL JaySL
  • 12-08-2015
Expand the expressions:

-3x+15-8y-16-18+12b

Combine like terms:

-3x-8y+12b-19

Now, we have fully simplified this expression.  D is the correct answer.
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 13-08-2015
distribute
a(b+c)=ab+ac so
-3(x-5)=-3x+15
-8(y+2)+-8y-16
-3(6-4b)=-18+12b
add them together
-3x+15-8y-16-18+12b
associative property
15-16-18-3x-8y+12b
add
-19-3x-8y+12b is the answer which is D
Answer Link

Otras preguntas

please help me I will mark you as Brainlist ☺️​
Solve for x ………………………..
Aldo invested in a savings bond for 6 years and was paid simple interest at an annual rate of 4% the total interest that he earned was $192 how much did he inve
conclusion of galileo feather and coin experiment
purpose of the electrocal college and why the founders wished not to have a direct democracy
make recipe for preparing coffee​
Please help with questions b
A number is multiplied by 2, and then the product is added to 9. The result is 49. What is the number?
Exposure to asbestos dust can cause what condition?
please someone answer. What is the product of a number and its reciprocal? ​