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First combine like(same) terms. X in this case

4x and 2x = 6x

You'll end up with 6x+3 = -9

Then subtract 3 from both sides

You'll get 6x = -12

Then Divide by 6

6x/6 = -12/6

The 6x gets cancelled by the /6 so you just get X and -12/6 is just math

So...

X = -2

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12y ago

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