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PtichkaEL
[24]
3 years ago
9
5c+16.5=13.5+10c PLease answer quicly
Mathematics
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2
answers:
frosja888
[35]
3 years ago
4
0
Remember you can do anything to an equation as long as you do it to both sides
5c+16.5=13.5+10c
minus 5c both sides
16.5=13.5+5c
minus 13.5 from both sides
3=5c
divide both sides by 5
3/5=c
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OverLord2011
[107]
3 years ago
4
0
<span> 5c + 16.5 = 13.5 + 10c
16.5 + 5c = 13.5 + 10c
16.5 + 5c = 13.5 + 10c
16.5 + 5c + -10c = 13.5 + 10c + -10c
5c + -10c = -5c 16.5 + -5c = 13.5 + 10c + -10c
10c + -10c = 0 16.5 + -5c = 13.5 + 0 16.5 + -5c = 13.5
16.5 + -16.5 + -5c = 13.5 + -16.5
:16.5 + -16.5 = 0.0 0.0 + -5c = 13.5 + -16.5 -5c = 13.5 + -16.5
13.5 + -16.5 = -3 -5c = -3
Divide each side by '-5'.
c = 0.6 or 3/5</span>
Send
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