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4 years ago

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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