5x+5-x is an expression
5=5 is an equation
5 is neither
X=5 is an equation
5a+b is an expression
5x is an expression
1. Vietnam
I’m sorry I did not get the other ones
The gouvernement was communism is 2
Designed by Fredrick Olmsted and English architect Calvert Vaux
The primary difference between barter and currency systems is that a currency system uses an agreed-upon form of paper or coin money as an exchange system rather than directly trading goods and services through bartering.
