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Home > AC > Chapter 3 > Lesson 3.1.2 > Problem 3-13
3-13.
Write the equation represented in each diagram below on your paper. For each part, simplify as much as possible and then solve for
3-13a HW eTool (CPM)
Write the original equation.
Flip subtraction to addition.
Remove zero pairs.
Combine like terms.
Remove an
-tile from both sides. Add
to both sides. Divide by
on both sides.
3-13b HW eTool (CPM)
Follow steps similar to part (a).
Use the eTools below to help solve the problems.
Click the link at right for the full version of the eTool: 3-13a HW eTool (CPM)
Click the link at right for the full version of the eTool: 3-13b HW eTool (CPM)