One step and two step equations

The goal of solving two-step equations is to:

• francine
• Find the coefficient 
• Find the value of the variable

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the inverse operation of Multiplication?

How would you solve the problem:

x - 8 = -1

• Multiply -8 by -1

• Add -8 to -1

• Subtract -8 from -1

• Divide -8 by -1

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

-15 = -10 + 5n

What is the first step in solving the equation above?

• Subtract 15 from each side.

• Subtract 10 from each side.

• Add 15 to each side.

• Add 10 to each side.

Tags

CCSS.6.EE.B.7

Solve the equation:

 $3x=-21$  

Explain how you would solve the following problem. Then, give your answer.

 $-4x+7=23$  

What is the answer to the equation?

 $\frac{b}{-2}+9=9$  

• -1

• 3

• 5

• 0

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

Demarcus solved the problem. Did Demarcus solve this problem correctly?

• No, he should have divided the 4 first

• No, he should have subtracted the 1 and not added the 1

• Yes, it is solved correctly.

• No, the answer should be negative.