Model and Solve One-Step Equations

Write the equation for the model.

• 10=2-x

• -10=-x+2

• -10=x-2

• -10=x+2

Tags

CCSS.HSA.CED.A.3

Solve the equation.

• x=8

• x=-8

• x=-10

• x=-12

Tags

CCSS.7.EE.B.4A

Write the equation for the model.

• -3x=18

• 3=-18

• 3x=18

• 3x=-18

Write the equation for the model.

• -6x=-30

• 6x=-30

• 6=-30

• -6x=30

Tags

CCSS.HSA.CED.A.3

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.6.EE.B.7

Solve for x.

• 55

• 60

• 15

• 35

Tags

CCSS.7.EE.B.4A

Write the equation for the model.

• 7=x+3

• 7=x+(-3)

• 7=-x+3

• -7=x-3

Tags

CCSS.HSA.CED.A.3

Solve for x

• x = 2

• x = -2

• x = -10

• x = 4

Tags

CCSS.6.EE.B.7

4x - 12 = -16

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

Write the equation for the model.

• -x+4=-12

• x-4=-12

• -x-4=12

• -x+4=12

Tags

CCSS.HSA.CED.A.3