Solving Equations with Numbers on Both Sides

The equation for the model is 3x - 5 = 7.  What is the value of x?

• x = 6

• x = 4

• x = 7

• x = 12

Taxi company A charges $8.00 to get into the cab and $0.75 per mile. Taxi company B charges $6.00 to get into a cab and $1.25 per mile. How many miles would the cost be the same for both companies?

• 2 miles

• 4 miles

• .50 mile

• -4 miles

Tags

8.8.A

What is the error?

• Adding 2x to 3x

• Subtracting 5 from both sides

• Adding 2x to -2x

• Dividing by 5 on both sides

You rewrote the equation after multiplying the LCD 4 to equal 2x - 20 = 3x + 12 What is the value of x?

Mathematical Equivalence

ON

3x + 2(4x - 4) = 3

What is the solution to the equation?

• 4

• 3

• 2

• 1

9x - 4x - 5 = 10

• 3

• -3

• 1

• 3.5

What is the first step you should take to solve this problem?

• subtract 8n to both sides

• multiply 6n to both sides

• combine the like terms 4n + -6n

3(x-8)=3x-24

• No Solution

• x=3

• Infinite Solutions

Solve the equation
12x - 15 = 3(2x+3)

• x = 4

• x = -4

• x = 2

• x = -2

7x = 3x + 24

• 6

• 10

• 14

• 4