2 years ago

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

Mathematics

2 answers:

zysi [14]2 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]2 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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