13-02-2018
Mathematics

contestada

3+6x=21
[tex]3 + 6x = 21[/tex]

Respuesta :

TheAakash TheAakash

13-02-2018

I'm guessing you have to solve for x. To do that, we must isolate it. So, let's subtract 3 from both sides first:
[tex]6x=18[/tex]

And now divide by 6 since that's the opposite of multiplication (6 is being multiplied to x):
[tex]x = \frac{18}{6} =3 [/tex]

So, your answer is x = 3.

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