What is the first step to solve this equation?
x - 5 = 7 - 2x

• Add 7 to both sides of the equation

• Add 2x to both sides of the equation

• Subtract 2x from both sides of the equation

• Subtract 5 from both sides of the equation

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

Tags

CCSS.7.EE.B.3

Solve.

 $\frac{2x-3}{4}=9$  

• x = 24

• x = 12

• x = 17.5

• x = 19.5

Tags

CCSS.7.EE.B.4A

3x - x + 4 = 4(2x +1)

• no solution
• all real numbers (infinite)
• x = 6
• x = 0

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve the equation:
3(x - 1) = 2x + 9

• x = 12
• no solution
• x = 10
• x = 6

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations
• math
• variable
• PEMDAS

Tags

CCSS.6.EE.B.7

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions
• x = 1
• x = -1
• no solution

Tags

CCSS.8.EE.C.7A