Brittany2413 Brittany2413
  • 12-12-2016
  • Mathematics
contestada

Two numbers total 42 and have a difference of 8 find the two numbers

Respuesta :

SJ2006
SJ2006 SJ2006
  • 12-12-2016
x+y = 42
x-y = 8
x = 8+y

Substitute it in 1st equation,
8+y+y=42
2y = 34
y = 17

Substitute it in 1st eq.,
x = 42-17 = 25

So, the two numbers are 25 & 17

Hope this helps!

Answer Link

Otras preguntas

How long does it take to change a flat plain into mountains? help
Write an exponential function of the form y=ab^x whose graph passes through the given points. 17. (1,4),(2,12)
sinxtanx=secx-cosx Please help me solve it
How long does it take to change a flat plain into mountains? help
Which one of the following passages best suggests an indirect cause?A. Because the cold front arrived, it snowed.B. If you mix pleasure and business, business s
The formula to find the area of the walls of a rectangular room is A=2h (l+b), h is wall height, l is room length, and b is room breadth. The area of doors and
Salmonberry leaf cells contain 14 chromosomes. How many chromosomes will a new leaf cell contain after mitosis ?
A plane is flying due east in still air at 395 km/h. Suddenly, the plane is hit by wind blowing at 55 km/h toward the west. What is the resultant velocity of th
Solve for F: C=5/9(F-32) please explain process thanks
Factor completely 2x3 + x2 - 18x – 9.