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Add the expressions : 9a + 4, 2 – 3a

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Add the expressions : 9a + 4, 2 – 3a

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Given expressions are 9a + 4; 2 – 3a

Write the given expressions in standard form. 

9a + 4, – 3a + 2. 

The sum = (9a + 4) + (- 3a + 2) 

= 9a + 4 – 3a + 2 

= (9a – 3a) + (4 + 2) 

= (9 – 3)a + 6 

= 6a + 6

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