SOLUTION: If 2x(x+2)=30 and |x+7|=2. What is the value of x? Thanks for your help.

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Question 937556: If 2x(x+2)=30 and |x+7|=2. What is the value of x? Thanks for your help.
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
TWO equation in ONE unknown variable. Pick either equation and solve!


either , ,
OR
, .

Then, the other equation:
, after division by 2 on both sides.


OR

The value which satisfies BOTH equations is .

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