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I need help with 19 20 21
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4 votes
I need help with 19 20 21

I need help with 19 20 21-example-1
User Jamey
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1 Answer

5 votes
19) 5c+c=-6+2
6c=-4
c=-4/6
c=-2/3

20) -20-8=-2e
-28=-2e
28/2=e
14=e

21)p-2w=2l
(p-2w)/2=l
User Hkguile
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8.6k points
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