arreola121903
arreola121903 arreola121903
  • 13-02-2018
  • Mathematics
contestada

i need help plez and show work

i need help plez and show work class=

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 13-02-2018
Hey there! :D

3(2+5x)=

Plug in 3 as x.

3(2+5(3))=

3(2+15)

6+45

51 is the answer.

We can always check this by plugging it in and solving for x.

3(2+5x)=51
6+15x=51
15x=45
x=3  <== this works

I hope this helps!
~kaikers
Answer Link

Otras preguntas

In eukaryotes, mitochondria are the organelles primarily involved in
what technological improvement did the assembly line bring? a) greater productivity b) improved communication c) reducyion of human workload d) faster transport
A risk factor can be defined as anything that increases the likelihood of injury or disease
7x+3=24 what is the value of 5-4x
gina is training for a marathon she ran 4.6 miles on Friday and 6.7 miles on Saturday on Sunday she ran 13 miles how much further did she run on Sunday then she
Imagine you moved to a British colony in the mid-1700s but wanted your own plot of land. Where would you be likely to settle?
Least common multiple of 11,39,35,8
Locate the subordinate clause in the following sentence, and identify it as a noun, adjective, or adverb. The woman who just finished the marathon is tired.
Which stage of a butterfly's life cycle occurs directly before a chrysalis forms? A. egg B. pupa C. larva D. adult
Why are alkali metals rarely found in pure form in other substances?