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Mathematics 16 Online
OpenStudy (anonymous):

Solve the inequality 8(x + 1) > 7(x + 2). a) x < -22 b) x > -22 c) x < 6 d) x > 6

pooja195 (pooja195):

8(x + 1) distribute

OpenStudy (anonymous):

would i use the distributive property for 7(x+2)??

pooja195 (pooja195):

for both :)

OpenStudy (anonymous):

then would i do 8x+8-8<7x+14-8?

pooja195 (pooja195):

yes

OpenStudy (anonymous):

then 8x-6<7x+6-6

pooja195 (pooja195):

hmmm not quite

pooja195 (pooja195):

8x+8-8<7x+14-8 8x<7x+6

OpenStudy (anonymous):

i got that...

pooja195 (pooja195):

why did u subtract 6 from both sides?

OpenStudy (anonymous):

is that the next step??

pooja195 (pooja195):

no

pooja195 (pooja195):

We subtract x

pooja195 (pooja195):

8-7 = ?

OpenStudy (anonymous):

x<6

pooja195 (pooja195):

No

pooja195 (pooja195):

flip the sign

OpenStudy (anonymous):

i meant x>6... sorry

pooja195 (pooja195):

good :)

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