Salma0pi2368
Salma0pi2368 Salma0pi2368
  • 11-04-2021
  • Mathematics
contestada

There are two numbers and the first is larger than the second. Three times
the larger number plus the smaller number is forty. Twice the smaller number
plus one is equal to the larger number. Find both numbers

Respuesta :

mpumellello099
mpumellello099 mpumellello099
  • 11-04-2021

Answer:

3y+x=40

x=40-3y..........1

2x+1=y........2

subst. 2into1:

x=40-3(2x+1)

x=40-6x-3

7x=37

x=37/7

subst.x into2:

2(37/7)+1=y

y=81/7

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