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Mathematics
Phillip Barker
9 July, 08:37
Slove the equation 3n+2=-2n-8
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Melvin Hull
9 July, 10:52
0
Lets use 5 as n for example
if this would be "find out if the equation is true"
3 (5) = 15 + 2 = 17
-2 (5) = - 10 - 8 = - 18
false
lets find out the number n
lets use - 1
3 (-1) - 3 + 2 = - 1
-2 (-1) 2 - 8 = - 6
-2
3 (-2) - 6 + 2 = - 4
-2 (-2) = 4 - 8 = - 4
if we were looking for n its - 2.
answers: false or - 2.
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Luis Mclaughlin
9 July, 11:51
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3n+2=-2n-8
3n+2+2n = - 8
5n = - 8 - 2
5n = - 10
n = - 2
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