Mathematics
Grade-7
Easy

Question

Simplify by combining like terms: 5a + 2b - 3a + 4

  1. 8a + 2b + 4    
  2. 2a + 2b + 4    
  3. 8ab    
  4. 4ab + 4    

hintHint:

Like terms have same variables raised to same exponent

The correct answer is: 2a + 2b + 4


    Given the Equation 5a + 2b - 3a + 4
    Step1 :  Combine like terms.
    = 5a – 3a + 2b + 4
    Step 2 : Perform Operations
    = 2a +2b + 4

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