SOLUTION: if 3x+5x+9x+12x=319,then 6x+3=?

Question 885500: if 3x+5x+9x+12x=319,then 6x+3=?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Combine like terms on the left side.

Divide both sides by to isolate .

Reduce.

Now plug x = 11 into

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Answer:

So,
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