anahinatalie503 anahinatalie503
  • 24-09-2020
  • Mathematics
contestada

half a number decreased by three is equal to 38 less than four times the number

Respuesta :

bimpe bimpe
  • 24-09-2020

Answer:

10

Step-by-step explanation:

let the unknown number be x

so half of x decreased by 3 is

1/2x -3

It is equal to 38 less than 4 times the number which is x; 4x-37

THEREFORE;

½x-3 =4x -38

x-6/2 = 4x-38

cross-multiply

x-6 =8x -76

x-8x = -76+6

-7x = -70

Divide both sides by -7

So x =10

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