Solving Two Step Equations and Word Problems

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.

Tags

CCSS.6.EE.B.7

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7

Tags

CCSS.7.EE.B.4A

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

Tags

CCSS.7.EE.B.4A

2x + 1 = 6

What would the first step be in solving this equation?

• Divide by 2

• Subtract 1

• Subtract 6

• Times 2

Tags

CCSS.7.EE.B.4A

How do you know when an equation has been solved and your work is done?

• When you get a whole number

• After you add or subtract

• When x is by itself on one side of the equal sign

• When there are no more variables

Tags

CCSS.7.EE.B.4A

The goal of solving two-step equations is to:

• Make life difficult

• Find the coefficient

• Find the value of the variable

• Make everything equal zero

Tags

CCSS.7.EE.B.4A

Talk time Phone Company charges $0.12 per minute of phone use plus a monthly service fee of $8.00 for its phone service.  Which equation below can be used to find c, the total cost for one month when m, minutes are used?

• c = 0.12m + 8m

• c = 8m + 0.12m

• c = 0.12m + 8

• c = 0.20m

Tags

CCSS.6.EE.C.9

The model represents an equation. What is the solution for this equation?

• x = 3

• x = 15

• x = 5

• x = 1

Tags

CCSS.7.EE.B.4A

An equation is modeled. What value of x makes the equation true?

• 1

• 7

• -5

• -1

Tags

CCSS.6.EE.B.5

The model represents an equation. What value of x makes the equation true?

• 3

• 8

• 6

• 4