Porkchop9906
Porkchop9906
22-02-2019
Mathematics
contestada
11 + ? × 7 - ? = -21
Respuesta :
akephd
akephd
22-02-2019
Rewrite as
11+(7x)-x=-21
11+6x=-21
6x=-32
X= -32/6 = -16/3
Check:
11+(-16/3*7)+16/3=
11-112/3+16/3=
11-96/3=
11-32=
-21 it works
So...?= -16/3
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