Solving for a Variable Two Step Problems

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

Look at the work. What SHOULD have been the first step?

• It's correct!

• Subtract 1 on both sides

• Add 5 on both sides

• Divide by 3 on both sides

Tags

CCSS.HSA.REI.A.1

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

WRITE AN EQUATION
Lilli spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

• -x/2 + 4 = 12

• x/2 - 4 = 12

• 12 - 4 = x

• 12 - 4 = -x/2

Tags

CCSS.HSA.CED.A.3

Daniel is paid $10 per week for selling newspaper subscriptions.  He is also paid $3.50 for each new customer (x) that signs up for the subscription.  Which equation represents the amount (y) Daniel earns  per week?

• y = 3.5x

• y= 10 + x

• y = 10 + 35x

• y = 10 + 3.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

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

Evaluate
-12h =  108

• h= 96

• h= 10

• h=  -9

• h = -50

Tags

CCSS.6.EE.B.7