SOLUTION: Solve and write using interval notation: -3

SOLUTION: Solve and write using interval notation: -3 < -5x + 7 <= 8

Question 302032: Solve and write using interval notation: -3 < -5x + 7 <= 8

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

This says 2 things:
(1)
and
(2)
Subtract from both sides of (1)
(1)
(1)
Divide both sides by and reverse < sign
(1)
or,
(1)
Now subtract from both sides of (2)

Divide both sides by and reverse sign

Or, what is the same thing:

Putting (1) and (2) together:
answer
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