Solving Equations Lessons 1-6

 $\frac{x}{2}$ 


What is the coefficient? 

• 2

• 1/2

• 1

• x

True or false?

You evaluate an expression and solve an equation.

• True

• False

 $4-2x=3x+1$  
What are the constants?

• -2 and 3

• 4 and 1

• x

• 4-2x and 3x+1

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

Simplify the expression:
6 + 2(7x - 3) 

• 12 + 7x
• 14x
• 14x + 3
• 9 + 7x

-5(y - 6) + 4

• -5y + 34

• 5y - 26

• -5y - 26

• 5y + 34

Evaluate if w = -4

-7w² + 2w

• 104

• -64

• -120

• 120

Evaluate x² + y² + x - y

when x = -1 and y = 3?

• 6

• 8

• 12

• 16

Evaluate the following expression if x = 8 and y = -3

x² - xy

• 88

• 40

• -8

• -24

Solve the equation:
x - 4 = -3

• x = -7
• x = 1
• x = 12
• x = -12