Answer:30+15
Step-by-step explanation:
The method to use is Combination
<h3>What is combination?</h3>
Combination is a way or method of selecting items from a collection without a defined order or manner.
The formula for finding Combination is given as;
Combination = n!/ r!(n -r)!
n = 135
r = 2
Combination = 135!/ 2!(135 - 2)!
Thus, the method to use is Combination
Learn more about combination here:
brainly.com/question/11732255
#SPJ1
Answer:
x=-6
Step-by-step explanation:
1.distribute
2.add
3.combine like terms
4.Add 12 to both sides
5.simplify
Answer:
x = 12
Step-by-step explanation: