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Answer :

Declarego

Answer:

7

Step-by-step explanation:

3x - 8 = 13

3x - 8 + 8 = 13 + 8

3x = 21

3x/3 = 21/3

x = 7

RealNfwgo

Answer:

[tex]x = 7[/tex]

Step-by-step explanation:

To solve for [tex]x[/tex] you need to isolate the [tex]x[/tex] terms to one side. We have to get rid of the negative 8. To get 0 from -8 we need to add 8. Anything you do to one side you do the other so:

[tex]3x- 8 = 13[/tex] : Add 8 to both sides.

[tex]3x = 21[/tex] : Now we have 3[tex]x[/tex] but we only want one. So divide both sides by 3.

[tex]x = 7[/tex]

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