12.2 Solving two-step linear equations using addition and subtraction: ax+b=cax + b = c

Solving two-step linear equations using addition and subtraction: ax+b=cax + b = c

In this section, we will look at linear equation questions which involve two kinds of operations: addition and subtraction. We will deal with two-step linear equations modeled by diagrams as a start. Then, we will learn how to solve algebraic equations and related word problems.

Lessons

  • 1.
    Find x in the equation modelled by each diagram.
  • 2.
    Find x in the equation modelled by algebra tiles.
  • 3.
    Solve.
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Solving two-step linear equations using addition and subtraction: ax+b=cax + b = c

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