Solving Equations- Where's My Mistake?

Solving Equations- Where's My Mistake?

Poll

Rate your confidence on solving equations from 1-5: 1 I'd leave them blank on a test, 5 I don't make mistakes on these problems.

• 1

• 2

• 3

• 4

• 5

Today we're going to review some solving equations and search for commonly made errors... Do you make these same mistakes?

Open Ended

 $2\left(x-4\right)-3\left(x+6\right)=5x+6-2x$ 

 Solve the above equation.  Type your answer and submit when you finish.

Multiple Choice

In what line is the mistake?

• (Distributing)

• (Combining Like Terms)

• (Subtracting 3x)

• (Adding 26)

Open Ended

 $3\left(x+5\right)-2\left(x-4\right)=x-8+6x$ 
 Solve the above equation.  Type your answer and submit when you finish.

Multiple Choice

In what line is the mistake?

• (Distributing)

• (combining Like terms)

• (Subtracting X)

• (Adding 8)

• (Dividing to get x-alone)

Open Ended

 $4-3x+10=2\left(x-1\right)+3$ 
 Solve the above equation.  Type your answer and submit when you finish.

Multiple Choice

In what line is the mistake?

• (Distributing)

• (combining Like terms)

• (Adding 5)

• (Adding 3x)

• (Dividing to get x-alone)

Open Ended

 $5x+3-2\left(x+3\right)=6-x+5$ 
 Solve the above equation.  Type your answer and submit when you finish.

Multiple Choice

In what line is the mistake?

• (Distributing)

• (combining Like terms)

• (Adding x)

• (Adding 3)

• (Dividing to get x-alone)

Poll

Out of the mistakes we talked about today, which one (or ones) do you feel you most often make?

• Distribution/Getting rid of parentheses

• Combining Like Terms/Simplifying

• Keeping track of my negative numbers

• Dividing the right order (top divide bottom, not reverse)

• Other mistakes we didn't talk about