samuelaletor21 samuelaletor21
  • 22-05-2020
  • Mathematics
contestada

the sum of two numbers is 30 and their difference is 20

Respuesta :

spatty29
spatty29 spatty29
  • 22-05-2020

5 and 25

Step-by-step explanation:

Answer Link
maxwellekoh
maxwellekoh maxwellekoh
  • 22-05-2020

Answer:

X=25, Y=5 ;the numbers are 25 and 5

Step-by-step explanation:

Let the numbers be X and Y

X - Y= 20; from statement 2.

X= 20+Y

But

X + Y= 30 from statement 1;

Meaning

20 + Y + Y= 30

20 + 2Y = 30

2Y= 10

Y=5

X=20+ Y

X= 20+ 5= 25

X=25, Y=5

Answer Link

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