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kozerog [31]
3 years ago
5

Solve for x. Can somebody help me? I don’t understand how to do this.

Mathematics
2 answers:
Basile [38]3 years ago
7 0

-1=\dfrac{5+x}{6}\\\\-6=5+x\\\\x=-11

sertanlavr [38]3 years ago
3 0

"Solve for x" means get an equation that says " X = something ".  It has nothing but X all alone on one side, and the other side tells exactly what X is equal to.

How do you get such an equation ?  

-- Take what they gave you in the question.

-- Do anything you want on one side of it, to get X all by itself on that side.

<em>BUT . . .</em>

-- Whatever you do to one side, you must immediately do the same thing on the other side.

Here's how that goes:

Given in the question:  -1 = (5 + X) / 6

Multiply each side by 6 :  -6 = 5 + X

Subtract 5 from each side:  <em>-11 = X</em>

And there you are.  It's over almost as soon as it started.

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