2-Step Equations and Inequalities

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.

15 = 2a + 7

• 2
• 4
• 12
• 14

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.

Solve      7y - 4 = -11

• 1
• 2
• -1
• -2

Solve for k. 

7k – 2 ≥ -9

• k ≤ -1
• k≤1
• k≥1
• k ≥ -1

-9a - 1 < 26

• a<-3
• a<3
• a>-3
• a>3

• x > 3

• x ≤ ⅕

• x ≥ 3

• x ≤ ⅕

Tags

CCSS.7.EE.B.4B

Solve 2x - 3 = 1 

• 3
• 2
• 1
• -2

Solve    2x -7 = -23

• -8
• 8
• -7