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Brrunno [24]
4 years ago
13

Subtract.

Mathematics
2 answers:
Zinaida [17]4 years ago
5 0

Subtract.

8x - 8y +9

5x - 8y -z

____________

A) 3x + z + 9

B) 3x - 16y - z + 9

C) 3x - z + 9

Answer: A

Katena32 [7]4 years ago
4 0
(8x - 8y + 9) - (5x - 8y - z) = 3x + z + 9

8 - 5 = 3
-8 - (-8) = 0
9 - 0 =9
0 - (-z) = z

so it is written 3x +z +9
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