Find the Mistake

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• No mistakes

Tags

CCSS.HSA.REI.A.1

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• No mistakes

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• No mistakes

Tags

CCSS.8.EE.C.7A

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• Step 5

Tags

CCSS.HSA.REI.A.1

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• No mistake

Tags

CCSS.8.EE.C.7A

Which step has the mistake?

• Step 1

• Step 2

• Step 3

• Step 4

• No mistake

• Adding 2x to 3x

• Subtracting 5 from both sides

• Adding 2x to -2x

• Dividing by 5 on both sides

Tags

CCSS.7.EE.B.4A

• Adding 5x to each side instead of 5

• Subtracting 7 from both sides

• Dividing -4 by 2 equals 2

• Dividing both sides by 2

• Adding 1 to both sides

• Distributing the negative sign when multiplying –3(x + 2)

• Subtracting 6 from both sides

• x should equal 5/3

Tags

CCSS.7.EE.B.4A

• Subtracting 1 from both sides

• Dividing by 6 on both sides

• 3(2x+1) equals 6x +1

• x equals 3/4

Tags

CCSS.7.EE.B.4A