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FinnZ [79.3K]
3 years ago
11

Simplifyng algebraic expressions-2z-3w+7+8 use z=3 and w=9​

Mathematics
1 answer:
Anettt [7]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

Substitute 3 for <em>z</em><em> </em>and 9 for <em>w</em> in the equation.

- 2z - 3w + 7 + 8

- 2(3) - 3(9) + 15

- 6 - 18 + 15

- 24 + 15

- 9

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