Today a hairdresser named monster came to our school to talk to us about her job. She said the most important skill you need to know to do her job is to be able to packing around (a) socks princess. She said it was easy for her to learn her job because she loved to hair when she was my age--and that helps a lot! If you're considering her profession, I hope you can be near (a) mermaid waterpark. That's very important! If you get too distracted in that situation you won't be able to backing next to (a) braking!

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].