CCSS.Math.Content.8.EE.C.7

Once we have solved for the variable, we have to make sure:

• to turn off the curling iron.
• to feed the dog.
• to do our homework.
• that our answer makes sense.

Tags

CCSS.Math.Content.8.EE.C.7

When you have two equations and need to find when they are equal, you ______.

• Set them equal to each other and solve for x
• Set them equal to  zero and solve for x
• Add them together and then solve for x
• Subtract them and then solve for x

Tags

CCSS.Math.Content.8.EE.C.7

Solve for m: 
3/4m - 3 = 9

• x = 16
• x = -12
• x = -18
• x = 8
  24

Tags

CCSS.Math.Content.8.EE.C.7

Solve:
5y+34 = -2(-7y+1)

• y = -4
• y = 9
• y = 4
• y = 36/19

Tags

CCSS.Math.Content.8.EE.C.7

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

Tags

CCSS.Math.Content.8.EE.C.7

Do I need to flip my sign?
3x  ≥ 12

• Yes
• No

Tags

CCSS.Math.Content.8.EE.C.7

Solve for x:

8x - 10 = -34

• x = 2/11

• x = 3

• x = -3

• x = -24

Tags

CCSS.Math.Content.8.EE.C.7

Solve I = prt for r.

• r = ^I/_pt

• r = ^pt/_I

• r = I - pt

• r = pt - I

Tags

CCSS.Math.Content.8.EE.C.7

5c – 15 = 2c + 6

• 7

• -3

Tags

CCSS.Math.Content.8.EE.C.7

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

Tags

CCSS.Math.Content.8.EE.C.7