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OpenStudy (anonymous):
Solve |2x + 8| = 20.
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OpenStudy (karatechopper):
ok in this problem there are also two cases. 2x+8=20 and -20=2x+8
OpenStudy (karatechopper):
Now it must be easy to solve!
OpenStudy (anonymous):
x=6
OpenStudy (karatechopper):
we can start with 2x+8=20 first 2x+8=20 2x+8-8=20-8 2x=12 2x/2=12/2 x=6 lets to the second now! -20=2x+8 -20-8=2x+8-8 -28=2x -28/2=2x/2 -14=x
OpenStudy (anonymous):
ur such good help thnx
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OpenStudy (karatechopper):
most welcome:) just ask if need help in more
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