Answer:
the 4 one is it i just did it
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Given
= 
Multiply both sides by 20 to clear the fractions
16 = z → A
Answer:
For example, if you are adding one and two together, the commutative property of addition says that you will get the same answer whether you are adding 1 + 2 or 2 + 1. ... The commutative property of addition says that you can also add 2 + 1 + 3 or 3 + 2 + 1 and still get the same answer
Step-by-step explanation:
First one has one solution
Second has infinite solutions
Third has no solutions.