Solving Two-Step Equations

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

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 inverse operation needed to solve for p?
765 = p - 254

• subtraction
• addition
• multiplication
• division

Tags

CCSS.6.EE.B.7

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Tags

CCSS.6.EE.B.7

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

Tags

CCSS.7.EE.B.4A

Solve   -3x + 5 = -16

• 9
• 8
• -7
• 7

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

Is 5 a solution for 3x + 4 = 19

• yes
• no

Tags

CCSS.6.EE.B.5

What is a variable?

• A number that represents an unknown value

• A letter that represents an unknown value

Tags

CCSS.6.EE.A.2B

Solve for y: 
2y + 7 = 11

• y = 2
• y = 1
• y = 9
• y = 4

Tags

CCSS.7.EE.B.4A