Model 2 Step Equation

What is the first step in solving the equation?

• Add 4 to each side

• Subtract 4 from each side

• Subtract 2y from each side

• Divide each side by 2y

What equation is modeled?

• 5x = 1

• 3x - 2 =1

• 3 - 2 = 1

• x - 1 = 1

Which equation ix represented by the balance scale?

• x - 1 = x + 5

• 3x = 5x

• 2x - 1 = x + 5

• 2x - 1 = 5

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

• x = 6

• x = 4

• x = 7

• x = 12

Solve  3x - 7 = 32

• 13

• -13

• 12

• -12

Solve 9 + 3x = -27

• 1

• -6

• -12

• 12

Solve    -3x + 5 = -16

• 9

• 8

• -7

• 7

Solve.

• x = -3

• x = 1

• x = 3

• x = -1

What is the solution to this model of an equation?

• 8

• 4

• 12

• 3

Solve

• 5

• -6

• 6

• 21