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If 45 is added to half a number, the result is triple the number. find the number

Sagot :

Answer:

18

Step-by-step explanation:

x = number    

45  +  1/2 x   =   3x  

45 = 2.5 x

x = 45/2.5 = 18

Chetankachanaidn

Answer:

18

Step-by-step explanation:

Hello!

"Half a number" can be represented by 0.5x and "triple the number" can be represented by 3x.

This just becomes a one variable equation: 45 + 0.5x = 3x

Solve:

  • 45 + 0.5x = 3x
  • 45 = 2.5x
  • 18 = x

The missing number is 18.

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