Math Trainer Lesson 5.1 - Evaluate
Evd
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2131415 516
718
9
Find the new amount given the original amount and the percent of change.
$7; 40% increase
The new amount is $

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

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