kingstacks67 kingstacks67
  • 21-10-2020
  • Mathematics
contestada

4. Two times a number added to another number is 25. Three times the first number minus the other number is 20. Find the two numbers.

Respuesta :

thewaterfountain88 thewaterfountain88
  • 21-10-2020

Answer:9 & 7

Step-by-step explanation:

Let x be the first number and y be the second.

 

2x + y = 25

3x - y =20

 

1) Add them together.

 

5x = 45

x = 9

 

2) Solve for y.

 

2(9) + y = 25

y=7

 

3) Check your work on the other equation.

 

3(9) - (7) = 20

27 - 7 =20

20 = 20

Answer Link

Otras preguntas

96,87,78,69,60 örüntüsünün kuralı nedir?cevap 9 kesilerek gitmiştir değil bu arada.
what does theta and sin have to do with a pendulums harmonic motion
I need help! Is p+9=2p-3 a one solution, no solution or infinitely Many solutions?​
Helpppp meeeeee. Merry Christmas!!
the question is in the picture ​
In which two ways do plant cells use the sugar made in photosynthesis? A. To store energy for life processes B. To make more complex sugar molecules C. To produ
Draco steals and throws Neville's red ball straight up at 54 feet per second from about 7 feet above the ground. The ball's height in feet above the ground afte
What is the sum of ​182330+23​ ? 18 25/33 18 13/30 19 13/30 19 25/33 ❗quick please❗
NO LINKS!! Determine whether the sequence is geometric. 2, 4/√(3) , 8/3, 16/3√(3) , . . . Choose: 1. Yes, the sequence is geometric 2. No, the sequence is no
I almost thought that this had no solutions, but I'm not sure, could anyone help me on this? I would deeply appreciate it! Consider the equation 2x = 3x. Does t