SOLUTION: 13x-4(2x+5)=15

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Question 53175: 13x-4(2x+5)=15
Answer by checkley71(8403) About Me  (Show Source):
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13X-4(2X+5)=15 OR 13X-8X-20=15 OR 5X=15+20 OR 5X=35 OR X=35/5 OR X=7
PROOF 13*7-4(2*7+5)=15 OR 91-4(14+5)=15 OR 91-4*19=15 OR 91-76=15 OR 15=15