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Home > AC > Chapter 4 > Lesson 4.1.2 > Problem 4-13


Write the equation represented in the equation mat below.  

  1. Simplify as much as possible and then solve for .

    Right now the equation is:

    Flip subtraction to addition.

    Remove zero pairs.

    Combine like terms.

    Add to both sides.

    Subtract from both sides.

    Divide by on both sides.

  2. Check your solution.

    Substitute your answer from part (a) into the original equation.