rrooga
rrooga
26-02-2020
Mathematics
contestada
Solve each question mentally
-3x = 21
Respuesta :
myakponce95
myakponce95
26-02-2020
x = -7
3 • 7 = 21
-3 • (-7) = 21
If you multiply two negative numbers you’ll end up with a positive. Thus, - 3 (-7) = 21.
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