Modeling and Solving Equations

Solve: 5x + 15 = 10x - 40

• x = 10

• x = -10

• x = 11

• x = -11

Which set of algebra tiles represents the equation x+2=10?

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Write the equation of this model

• X + 3 = 9

• X - 3 = 9

• 4 = 9

• 10 - 3 = 9

Tags

CCSS.HSA.CED.A.3

Write the equation of this model

• 4 = 9

• 2x + 2 = x + 8

• 2 + 2 = 1 + 8

• 2x + 1 = x + 1

Tags

CCSS.HSA.CED.A.3

Solve for x:
5x - 14 = 8x + 4

• x = 6

• x = -6

• x = -18/13

• x = 10/3

The goal of solving a one, two, or multi-step equations is to:

• Find the constant

• Find the coefficient

• Find the value of the variable

• Be confused

Tags

CCSS.7.EE.B.4A

14p - 8 = 22 + 20p

• -5

• 5

• 30

• -30

What is the proper name for this?

• Term

• Variable

• Coefficient

• Constant

Tags

CCSS.6.EE.A.2B

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

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