wk 8 math 8 -- multi step equations + special cases

6(x + 3) = 48 Distribute
6x + 18 = 48 Subtract 18
6x = 30 Now what????

• Divide by 6
  x = 5
• Subtract by 6
  x = 24

Tags

CCSS.7.EE.B.4A

If while solving an equation your solution appears like so, 3 = 4, how many solutions do you have?

• One Solution

• No Solutions

• Infinitely Many Solutions (all real numbers)

Tags

CCSS.8.EE.C.7A

How many solutions does this equation have?

• One Solution

• No Solution

• Infinitely Many Solutions (all real numbers)

Tags

CCSS.8.EE.C.7A

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.7.EE.B.4A

6z + 3 -4z = 9

• z = 3
• z = 60
• z = 30
• z = 1

Tags

CCSS.8.EE.C.7B

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Tags

CCSS.8.EE.C.7B

Solve:

2y − 3 = 2y − 3

• y = 0

• y = -3

• infinitely many solutions

• no solutions

Tags

CCSS.8.EE.C.7A

Solve:

5x + 4 = 5x − 3

• x = 4

• x = -3

• infinitely many solutions

• no solutions

Tags

CCSS.8.EE.C.7A

Solve:

4x + 1 = 8x − 3

• x = 1

• x = 2

• infinitely many solutions

• no solutions

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

Solve:

3(x − 2) = 3x − 6

• x = 6

• x = -6

• infinitely many solutions

• no solutions

Tags

CCSS.8.EE.C.7A