Justify Steps to Solving Equations

What is the first step in solving the equation?

• Add 4 to each side
• Subtract 4 from each side
• Subtract 2y from each side
• Divide each side by 2y

Tags

CCSS.7.EE.B.4A

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

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

Solve 2x - 3 = 1

Which value of x makes the equation true?

• 3

• 2

• 1

• -2

Tags

CCSS.6.EE.B.5

What is the first step to solve this equation:

11 - 3x = 44 (Hint: rewrite the equation if that helps)

• 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

What is the first step in solving this equation 8x - 6 = 10

• Add 6 to both sides

• Subtract 8 to both sides

• Divide by 8 to both sides

• Subtract 6 to both sides

Tags

CCSS.7.EE.B.4A

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 from both sides

• Multiply by 7 from both sides

• Subtract 7 from both sides

Tags

CCSS.7.EE.B.4A

What is the step to solve this equation?
n - 4 = -2

• Add 4 to both sides of the equation

• Add n to both sides of the equation

• Subtract n from both sides of the equation

• Subtract 4 from both sides of the equation

Tags

CCSS.6.EE.B.7

What what is the inverse operation of addition?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.HSA.REI.A.1