slilydezso
slilydezso slilydezso
  • 01-03-2021
  • Mathematics
contestada

3(d + 5) - 7 = 2(d -5). Plz have the work written down. I don't know how to do this. It's hard. Plz help

Respuesta :

cookiew1234567pe8lzm
cookiew1234567pe8lzm cookiew1234567pe8lzm
  • 01-03-2021

The answer is:

d = -18

Ver imagen cookiew1234567pe8lzm
Answer Link
nurali12 nurali12
  • 01-03-2021

Answer:

d=-18

Step-by-step explanation:

3(d + 5) - 7 = 2(d -5)

Distribute the number outside the brackets, inside them

3d+15-7=2d-10

3d+8=2d-10

solve for d with isolating it

3d= -8+2d-10

3d-2d= -8-10

d=-18

Answer Link

Otras preguntas

Lizzy bought 4 bags of apples at the store. Her mom gave her 8 more apples. Now Lizzy has 36 apples. How many apples were in each bag?
finish the sentence using a simile - he quickly discovered that his new friend was as smart as
What is 160 to a mixed number
this is the problem:Brooke has to set up 70 chairs in equal rows for the class talent show.But ,there is not room for more than 20 rows.What are the possible nu
what is the smallest unit that can carry on all functions of life
The length of a rectangle is 5 inches less than three times its width. The perimeter is 86 inches. Find the length and width. Write an equation and solve. Plea
6x-5y=22 y=-8 using systems of equations by substitution
what is1250 divided by 3
What features of child labor seemed newly objectionable in the context of factory industry?
The President can most effectively influence the Congress by: