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Learn to solve 2-step equations

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Presentation on theme: "Learn to solve 2-step equations"— Presentation transcript:

1 Learn to solve 2-step equations
Add or subtract FIRST Multiply or divide LAST

2 Sometimes it is necessary to solve equations by using two inverse operations. For instance, the equation 6x  2 = 10 has multiplication and subtraction. Variable term 6x  2 = 10 Multiplication Subtraction To solve this equation, add to isolate the term with the variable in it. Then divide to solve.

3 Try This: Example 5 Solve 4y + 5 = 29. Step 1: 4y + 5 = 29 Subtract 5 from both sides to isolate the term with y in it. – 5 – 5 4y = 24 Step 2: 4y = 24 Divide both sides by 4. 4 4 y = 6

4 Additional Example 5: Solving a Simple Two-Step Equation
Solve – 12 = 20. p 4 – 12 = 20 p 4 Step 1: Add 12 to both sides + 12 + 12 = 8 p 4 = 8 p 4 Multiply both sides by 4 Step 2: 4   4 p = 32


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