TEKS.MATH.8.8C

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

TEKS.MATH.8.8C

TEKS.MATH.5.4B

7+(-12)=

• 5
• 19
• -19
• -5

Tags

TEKS.MATH.8.8C

3x³ + 9x² - 15x 

• x(3x² + 9x - 15) 
• 3x(x² + 3x - 5)
• 3x(x² - 9x + 15) 
• x(3x² -9x + 15) 

Tags

TEKS.MATH.8.8C

Solve for x
l 4x−3 l = 17

• x = 5 and x =-3.5
• x = 0 and x = -5
• x = 10 and x = -10
• No Solution

Tags

TEKS.MATH.8.8C

Describe the solution set:
2(x + 5) = 2x + 5

• one solution
• no solution
• infinitely many solutions
• two solutions

Tags

TEKS.MATH.8.8C

2x - 3 + 4x = 27

• x= 12
• x = 4
• x = 5
• x = 15

Tags

TEKS.MATH.8.8C

-6(1 - 6r) = -2(r + 3)

• 14
• 0
• -11
• 4

Tags

TEKS.MATH.8.8C

5/6 + 1/12 =

• 6/18
• 5/60
• 11/12
• 10/12

Tags

TEKS.MATH.8.8C

Solve:

• 3

• 12

• 5

• 3

Tags

TEKS.MATH.8.8C

Calcula y simplifica

• 71/20
• 239/20
• 8/15
• 0

Tags

TEKS.MATH.8.8C