Solving Equations in One Variable

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

CCSS.6.EE.B.7

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

Solve the equation:
4p = 16

• p = 12
• p = -12
• p = -4
• p = 4

Tags

CCSS.6.EE.B.7

Which equation has w = 8 as the solution?

• 8w= 64
• 16w = 240
• 16 - w = 9
• 4 + w = 10

Tags

CCSS.6.EE.B.5

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10
• v + 4 = 10
• 10 - 4 = v
• Answer not Given

Tags

CCSS.HSA.CED.A.3

What do you call the number in front of a variable that is being multiplied?

• Constant

• Variable

• Coefficient

• Equation

Tags

CCSS.6.EE.A.2B

Solve:

y + 9 = -10

• 1

• -1

• 19

• -19

Tags

CCSS.6.EE.B.7

Solve:

11 = x - 7

• 4

• -4

• 18

• -18

Tags

CCSS.6.EE.B.7

Solve the following equation for x:
8x - 12 = 6x

• x = 6
• x = 12/14
• no solution
• x = 2

Tags

CCSS.6.EE.B.7

CCSS.6.EE.B.5

CCSS.6.EE.B.6

For the equation below to have infinite solutions, which value must go in the blank:
___ + 12 = -4x + 12

• -4
• -4x
• 4x
• 12

Tags

CCSS.8.EE.C.7A