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Mathematics 14 Online
OpenStudy (jessiegonzales):

MEDAL! 16. Solve the inequality. Graph the solution. l2x+7l<27

OpenStudy (jessiegonzales):

jimthompson5910 (jim_thompson5910):

Rule: |x| < k turns into -k < x < k where k is some positive number

jimthompson5910 (jim_thompson5910):

use that rule to go from this l2x+7l<27 to this -27 < 2x + 7 < 27 then solve for x

OpenStudy (jessiegonzales):

-27<2x+7<27 -1 -1 Am I on the right track?

jimthompson5910 (jim_thompson5910):

you subtract 7 (not 1) from all sides

jimthompson5910 (jim_thompson5910):

|dw:1434962327834:dw|

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