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3 years ago

12

-1/2(7z+4)+1/5(5z-15)

1 answer:

Naily [24]3 years ago

5 0

-1/2(7z + 4) + 1/5(5z - 15) =
-7/2z - 2 + z - 3 =
-7/2z + 2/2z - 5 =
-5/2z - 5

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