Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Subtract the expressions |
Grade: 7-a Lesson: S3-L3 |
Explanation: The best way to understand algebra is by looking at some examples. Take turns and read each example for easy understanding. |
Examples:
1. Find the differnce between the algebraic expressions \$(6i - 3l + 3g) and (3i + g)\$ .
Step 1a
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Given expression. |
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Explanation:
Given expression \$(6i - 3l + 3g) - (3i + g)\$ is an algebraic expression in variables i, l and g. |
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Step 1b
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Perform operations |
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Explanation: Subtract the like terms. \$=> (6i - 3l + 3g) - (3i + g)\$ \$=> 6i - 3l + 3g - 3i - g)\$ \$=> (6 - 3)i - 3l + (3 - 1)g \$ \$=> 3i - 3l + 2g \$ |
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