penelope1710 penelope1710
  • 01-04-2022
  • Mathematics
contestada

One-fourth of the sum of a number and 10 is 2 less
than twice the number?

Respuesta :

queeniegao634 queeniegao634
  • 01-04-2022

Answer:

The number is 2

Step-by-step explanation:

The equation is: 1/4 (x + 10) = 2x - 1

1/4x + 2.5 = 2x - 1

Multiply everything by 4 to get rid of the fraction

x + 10 = 8x - 4

Subtract x from both sides

10 = 7x - 4

Add 4 to both sides

14 = 7x

Divide both sides by 7

x = 2

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