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Published byRoderick Mosey Modified over 2 years ago

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If you had this equation, how would you move the 7

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to the other side of the equation?

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You would subtract it...... wouldn’t you?

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This equation is probably different from other equations you have solved.

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What makes it different? It is different because it has an x on each side.

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How would you move the x from the right side to the left?

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You would move the x exactly the same way you would move the 7.

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You would subtract it...... wouldn’t you?

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Now when you simplify...

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... the equation becomes the type of equation

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... the equation becomes the type of equation

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that you already know how to solve.

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that you already know how to solve.

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that you already know how to solve.

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If you want to solve equations correctly (and you do)(Don’t you?) you will get in the habit of checking solutions.

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Good solution! Checking the solution:

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Try this one:

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Good solution! Try this one: Check your work !

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You say you want one more?Okay—here’s one more. Did you check you answer?If you did, you know the solution is

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Example 1 Solving Two-Step Equations SOLUTION a. 12x2x + 5 = Write original equation. 112x2x + – = 15 – Subtract 1 from each side. (Subtraction property.

Example 1 Solving Two-Step Equations SOLUTION a. 12x2x + 5 = Write original equation. 112x2x + – = 15 – Subtract 1 from each side. (Subtraction property.

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