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Types of Expressions Based on the Number of Terms

By how much i...

Question

By how much is $2 x - 3 y + 4 z$ greater than $2 x + 5 y - 6 z + 2$

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Solution

$2 x + 5 y - 6 z + 2 - (2 x - 3 y + 4 z)$

$= 2 x + 5 y - 6 z + 2 - 2 x + 3 y - 4 z$

$= 8 y - 10 z + 2$

$∴ 2 x - 3 y + 4 z$ greater than $2 x + 5 y - 6 z + 2$ by $8 y - 10 z + 2$

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Types of Expressions Based on the Number of Terms

Standard VII Mathematics

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