honeywhite2500 honeywhite2500
  • 02-04-2021
  • Mathematics
contestada

The sum of two numbers is the same as four times the smaller number. If twice the larger is decreased by the smaller number, the result is 30. Find the missing numbers

Respuesta :

25sp1224
25sp1224 25sp1224
  • 03-04-2021

Answer:

x = 6

y = 18

Step-by-step explanation:

Equations : x + y =4x & 2y - x = 30

Rearrange:

y = 3x & x = 2y - 30

Substitute

y = 3(2y-30)

y = 6y - 90

5y = 90

y = 18

x = 2y-30 = 2*18-30 = 6

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