subrena subrena
  • 01-03-2016
  • Mathematics
contestada

Three sets of a sum of a number and four are added to the sum of seven times the same number and thirteen

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-03-2016
so
sum means add
[3 times (x+4)]+[7 times (x+13)]

distribute
a(b+c)=ab+ac
3(x+4)=3x+12

7(x+13)=7x+13

now we have
3x+12+7x+13
add lk etmers
10x+25
Answer Link

Otras preguntas

what are the two main sources of energy on earth?
Which of these can help a person avoid risky situations? Select the four correct answers. A. Know what the plan is. B. Know who will be there. C. Trust
When renting a car it costs 35$ per day to rent the car plus $0.20 yo rent the car for one day and drove d miles at the end of the day you owe 72$ how far did y
What is the kinetic energy of a 2,000kg boat moving at 5 meters per second?
solve the equation 6x+2y=9 for y in terms of x
Write the standard form of the equation of the line with slope-3 passing through the point (-1,-6)
On which body of water is Brazil? A. Pacific Ocean B. Atlantic Ocean C. Mediterranean Sea D. Caribbean Sea
how many shorts can be made from 6 yards of fabric?
Plant Kingdom to spcises
What is true about each element in a period or horizontal row?