Ks2001
Ks2001
01-06-2017
Mathematics
contestada
simplify the expression of (7 – c )(–1)
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serourb
serourb
01-06-2017
expand out, this literally just wants you to multiply everything by -1.
so 7*-1 = -7
-c*-1 = c
thus putting them together to get -7+c which is just c-7
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