13-01-2016
Mathematics

contestada

The sum of two numbers is 25 one number is twice the second number +7 what are the two numbers

Respuesta :

13-01-2016

x = first number
y = second number

x + y = 25
x = 2y +7
2y + 7 + y = 25
3y + 7 = 25
3y + 7 - 7 = 25 - 7
3y = 18
3y / 3 = 18 / 3
y = 6

25 - 6 = 19

The two numbers are 6 and 19

Answer Link

Otras preguntas

what are the basic units of protein marcromolcules

Which phrase is the best definition of the word “cosmopolitan”? a small village or town sophisticated; international in nature stubborn and unyielding to show

a spherical sample has a mass of 2.813 g it has a diameter of 8.0 mm what is the sphere made of

80% is what fraction of the whole quantity?

3/4q-7=8 please I need resolve

plzzz helpI've been trying but I jus cant

I need help please..highlighted one please ASAP

Researchers want to investigate the relationship between the voters' income level and their voting tendencies in the united states. they took a random sample fr

What is formed when lava cools and crystallizes on top of the oceanic crust?

solve 4(a+4)-2=34[tex]4(a + 4) - 2 = 34[/tex]