Modeling Two-Step Equations

What is equation for this model?

• 2x + 3 = 5

• 2x - 3 = 5

• 2 - 3 = 5

• 2 + -3 = 5

Tags

CCSS.HSA.CED.A.3

What is the equation for this model ?

• 5x + 4 = 15

• 4x - 5 = 15

• 4x + 5 = 15

• 9x = 15

Tags

CCSS.HSA.CED.A.3

Which equations represent the hanger pictured?

• x + x + 3 = 3 + 3 + 3 + 3 + 3

• 2x + 3 = 15

• 6x = 243

• 2x - 3 = 15

• 3 + 2x = 15

Tags

CCSS.HSA.CED.A.3

What is the first step to solve this equation?

• add 4 to both sides

• divide by 2 on both sides

• subtract 10 on both sides

• subtract 4 from both sides

Tags

CCSS.7.EE.B.4A

Write the equation for the model. (white square=1 rectangle=x red square = -1)

• 7=x+3

• 7=x+(-3)

• 7=-x+3

• -7=x-3

Tags

CCSS.HSA.CED.A.3

Write the equation for the model.

• 10=2-x

• -10=-x+2

• -10=x-2

• -10=x+2

Tags

CCSS.HSA.CED.A.3

What equation is modeled?
black (negative)
grey (positive)

• 5x = 1

• 3x - 2 =1

• 3 - 2 = 1

• x - 1 = 1

Tags

CCSS.HSA.CED.A.3

What is the equation and the solution for the given model?

• 3x-4=5 x=1

• 3-4x=5 x=-2

• 3-4x=5 x=2

• 3x-4=5 x=3

Tags

CCSS.7.EE.B.4A

Write an equation for the model above.

• x + 3 = -9

• x - 3 = 9

• 3x + 1 = 9

• 3x - 1 = 9

Tags

CCSS.HSA.CED.A.3

Write the equation for the model.

• 7=x+3

• 7=x+(-3)

• 7=-x+3

• -7=x-3

Tags

CCSS.HSA.CED.A.3