SOLUTION: 4(1-3x)+7x=9
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Question 30372: 4(1-3x)+7x=9
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
4(1-3X)+7=9 EXPANDED BECOMES 4-12X+7X=9 OR 4-5X=9 OR -5X=5 OR X=-1
PROOF 4(1-3(-1))+7(-1)=9 OR 4(1+3)-7=9 OR 4(4)-7=9 OOR 16-7=9 THUS 9=9.
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