1. 4a-b+2a+3b= 2. (3a-9b)+(2a-7b)= 3. (a+6b)-(-8a+2b)=

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Mar 23,2025 11:19

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1. $ 6a + 2b $ 2. $ 5a - 16b $ 3. $ 9a + 4b $

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Combining like terms in algebra can be fun! For the first expression, you combine the a terms (4a + 2a) and the b terms (-b + 3b). So, you’d get 6a + 2b.

In the second expression, adding the two sets of terms gives you (3a + 2a) and (-9b - 7b), simplifying to 5a - 16b. Keep those signs in check!

For the third expression, think of it as a bit of a mental tug-of-war. You’re subtracting a negative: (a + 6b) - (-8a + 2b) transforms to a + 6b + 8a - 2b, which simplifies to 9a + 4b. Math is all about transforming expressions into simpler forms!

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