SOL 7.12 Equations Review (CALC)

Morgan bought a used car for $2,300. Her bank account now has a balance of $28,140. Which equation could be solved to calculate the amount of money she had before she bought the car?

• x - 2,300 = 28,140

• 2,300x = 28,140

• x/2,300 = 28,140

• x + 2,300 = 28,140

What value of p makes this number sentence true?

p - 9 = 14

• 5

• 23

• -5

• -23

Solve:

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What first step could be used to solve the following equation:

• Subtract 8 from both sides of the equation.

• Multiply by -9 on both sides of the equation.

• Multiply by 2 on both sides of the equation.

• Subtract -9 from both sides of the equation.

Solve:

• -10

• -22

• -26

• -32

After solving the first step of the equation below, what will it look like?

7 - 3x = 4

• -3x = -12

• 3x = -3

• 3x = -12

• -3x = -3

"Ten less than a number is six" translates into which equation?

• n - 6 = 10

• n - 10 = 6

• 10 - n = 6

• 6 - n = 10

What value of s makes the number sentence true?

s - 3 = -6

• 2

• -3

• 3

• -9

Lisa bought Halloween candy for her teammates. She evenly split the candy into 15 bags. Lisa had had bought 125 candies in all. Which equation, when solved, would show how many cookies were in each bag?

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Based on the model, what is the value of x ?

• 3

• 2

• 12

• 6