SOLUTION: please help me solve this question (-4e-9=19)

SOLUTION: please help me solve this question (-4e-9=19)

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Question 53700: please help me solve this question (-4e-9=19)
Answer by rchill(405) (Show Source): You can put this solution on YOUR website!
First add 4e to both sides to get -9=4e+19. Next, subtract 19 from both sides to get -28=4e. Finally, divide both sides by 4 to get x=-7.
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