franciscofrias98 franciscofrias98

30-09-2016
Mathematics

contestada

If 3 times a certain number is increased by 4 the result is 28. What is the number?

If x is "the number," which of the following equations could be used to solve for the number?

3x + 4 = 28
3(x + 4) = 28
3x = 4 + 28

Respuesta :

sraceramitaf930 sraceramitaf930

30-09-2016

3x+12=28
x=5 1/3
and that is it

Answer Link

mommyme mommyme

30-09-2016

Number is 8

3x + 4 = 28

3x + 4 - 4 = 28 - 4

3x = 24

(divide both by 3)

x = 8

Answer Link

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