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Alinara [238K]
3 years ago
5

What is the value of the expression below when z =5 and w=5? 9z-3w

Mathematics
2 answers:
zysi [14]3 years ago
7 0
This is just about substitution!! 9(5)-3(5), 3 • 5 = 15
9 • 5 = 45
so Now you have, 45 - 15 = 30
soldier1979 [14.2K]3 years ago
7 0

Answer:

= 30

Step-by-step explanation:

9z-3w

9(5)-3(5)

Multiply:

45-3(5)

Multiply:

45-15

Subtract:

= 30

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So we have

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