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Solve the
|2x + 1 ≥-7

User Chigley
by
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2 Answers

1 vote

I assume you mean


|2x + 1| \ge -7

The absolute value function is non-negative, so


|2x+1| \ge0 > -7

is true for all
x; any value of
x is a solution to this inequality. (infinitely many solutions)

User Tkokoszka
by
4.4k points
5 votes
|2x+1|>-7

| 2x+1-1|>-7-1
2/2x> -8/2
x<-4
|2x+1-1|>7-1
2x/2>6/2
x>3
User Dan Torrey
by
4.9k points