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Question #1What is the difference between an algebraic expression and an equation (hint: one contains this and the other doesn't)? Give an example of both an expression and an equation.

An expression's value of it's variable is to be chosen . An equation already has the value of the variable it has .

Ex . 4+3n= / Eq . 4+3n=19

Question #2What is a variable and why do we use one in algebra?

A quantity capable of assuming any of a set of values and can be in an equation or expression .

Question #3 Solve for N

1 square - 2.1 circle - 1.1 triangle - 5.2n = 6 squares and 2 triangles (=22)N = 11.

Question #4 Solve the following equations. Show all the steps that are needed.

a) 3n + 4n + 7 = 2n + 12

b) 8n - (4+9) =118n - 5 = 118/8 11/8n = 1.375

c) (8-3) n + 7 n + 8 = 4n + 40

Question #5

## 2 Comments:

Peggy there are problems with question 4. Are you planning on finishing question 5 online or handing it in on paper in your duotang?

your mark is 13/30 unless you have questions 4 and 5 in your duotang

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