6. Think: Why can’t you subtract
2/3 from both sides?
You can’t subtract 2/3 from
both sides because
________________________
____________________.
2
3
x + 4 =10
7. Think: Why can’t you add 5 to
both sides?
You can’t add 5 to both
sides because
________________________
____________________.
w
5
-12 = 3
8. Think: Why can’t you subtract
2 from both sides?
You can’t subtract 2 from
both sides because
________________________
____________________.
2x+8=10
9. Think: Why can’t you add 5 to
both sides?
You can’t add 5 to both
sides because
________________________
____________________.
6-5x = 51
10. Partner Practice
1) Complete a – d. Work independently. Show your work in column 1.
2) Write your final answer in column two.
3) Fold your paper along the dashed line.
4) Find a partner. Then, place your folded papers next to each other so
that your column 3 and their column three are beside each other.
5) If your answers are the same, place a check mark in box three. If
your answers are different, Write a sentence describing the error in
column four, then solve the problem together.
6) Continue working, stopping to check in with your partner after your
have each completed four problems.
