# How do I solve #3x + 6 = 9#?

##### 1 Answer

#### Explanation:

First of all I will use the shortcuts. After that I will show what is actually happening. This will help in all sorts of ways.

Move the 6 to the other side of the = and change its sign giving:

Move the three to other side of the = sign

Because it is multiply on the left it becomes divide on the right

The best way is to explain it as I go along

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Get just the x-terms on the left. In this case there is only 1

and that is

Subtract 6 from both sides

but +6 and -6 is 0 giving

but 9-6 is 3 giving

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Now lets get rid of the 3 in

Note that

Divide both sides by 3 giving

But

but

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1 times anything is itself so