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7z= 21 2x + 3y – z =-2 x=_y=_2= x + 2y + 3z = 9
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2 votes
7z= 21
2x + 3y – z =-2 x=_y=_2=
x + 2y + 3z = 9

User Asmoun
by
6.8k points

1 Answer

3 votes

Answer:

1) 7(3) = 21

Explanation:

User Guycole
by
6.4k points
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