Step-by-step explanation:
open brackets
5z+20-13=2z+19
5z+7=2z+19
3z=12
z=4
Answer:
18
Step-by-step explanation:
The number of ways when the choice is not relevant is 4
<h3>How to determine the number of ways?</h3>
The number of colors are:
Colors, n = 4
The color to choose are:
r = 3
<u>Relevant choice</u>
When the choice is relevant, we have:

This gives

Evaluate
Ways = 24
Hence, the number of ways when the choice is relevant is 24
<u>Not relevant choice</u>
When the choice is not relevant, we have:

This gives

Evaluate
Ways = 4
Hence, the number of ways when the choice is not relevant is 4
Read more about combination at:
brainly.com/question/11732255
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4x + 4 + 4x = 180 so solve for x and it’s 22
1. 4x + 4
92
2. 88
Answer:
49
Step-by-step explanation:
43 +4 make sure you add them
47 +2
__
49