You can put this solution on YOUR website! |7x-2|=9
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7x-2 = 9 or 7x-2 = -9
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7x = 11 or 7x = -7
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x = 11/7 or x = -1
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Cheers,
Stan H.
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You can put this solution on YOUR website! By definition of absolute value the equation is equivalent to
two equations: 1)7x-2=9, the root of which is x=11/7, and
2)7x-2=-9, the root of which is x=-1.
Thus our equation has two solutions x=-1, and x=11/7.
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