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

What is the value of the expression below when z =5 and w=5? 9z-3w
asked 191k views
4 votes
What is the value of the expression below when z =5 and w=5? 9z-3w

asked
User Ltalhouarne
by
8.0k points

2 Answers

5 votes

Answer:

= 30

Explanation:

9z-3w

9(5)-3(5)

Multiply:

45-3(5)

Multiply:

45-15

Subtract:

= 30

answered
User Anton Tananaev
by
7.8k points
7 votes
This is just about substitution!! 9(5)-3(5), 3 • 5 = 15
9 • 5 = 45
so Now you have, 45 - 15 = 30
answered
User Ravi Limbani
by
8.6k points
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