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pashok25 [27]
4 years ago
8

PLEASE HELP ME 20 POINTS

Mathematics
1 answer:
Vera_Pavlovna [14]4 years ago
4 0

4 \times ( - 2) =  - 8 \\  - 2( - 2) =   4 \\ 4x - y - 2z =  - 8 - 3 + 4 =  - 7
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