8jqiwifege 8jqiwifege
  • 16-09-2021
  • Mathematics
contestada

Write and solve the equation/expression written below:
Three times the sum of a number and 4 is the same as 18 less than a number.

Respuesta :

aniilsah555
aniilsah555 aniilsah555
  • 16-09-2021

Step-by-step explanation:

Three times the sum of a number and 4 is the same as 18 less than a number.

Solution,

Let the number be x, then

3(x+4)=x-18

3x+12=x-18

3x-x=-18-12

2x=-30

x=-30/2

x=-15

Answer Link

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