How do you solve 2∣∣∣5−73x∣∣∣+7=11?

1 Answer
Καδήρ Κ.
Jul 20, 2017

x=97orx=3

Explanation:

2∣∣∣5−73x∣∣∣+7=11⇔2∣∣∣5−73x∣∣∣=4⇔∣∣∣5−73x∣∣∣=2⇔

5−73x=2or5−73x=−2⇔

73x=5−2or73x=5+2⇔

73x=3or73x=7⇔

x=97orx=3

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