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-2x+7>22
-2x+7-7>22-7
-2x>15
-2x/(-2)<15/(-2) Switching the order of the inequality here is essential to keep the solutions true for the inequality since I divided by a negative #.
x<-7.5

• math -

Again, you forgot to reverse the carat, when dividing by -2.

x > -7.5

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