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Inequalties for seventh grade math

Asked Nov 12, 2009, 01:43 PM — 2 Answers
8b+4=4(b-7) thank you a lot!

2 Answers
caligirlvma's Avatar
caligirlvma Posts: 26, Reputation: 20
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#2

Nov 12, 2009, 05:46 PM
8b+4=4(b-7) multiply 4(b-7)

8b+4=4b-28 subtract 4b to both sides

4b+4=-28 subtract 4 to both sides

4b=-24 divide 4 to both side

B=-6 answer is -6
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mathwiz3502's Avatar
mathwiz3502 Posts: 121, Reputation: 8
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#3

Nov 30, 2009, 04:24 PM
By multiply I believe you mean use the distributive property
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