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Mathematics
Grade-7
Easy
Question
Add (4a - 6b + 3) + (a - 5)
3a - 6b - 2
5a - 6b + 8
5a - 2
5a - 6b – 2
Hint:
Group similar terms and try adding them together(Terms with a , terms with b and other terms)
The correct answer is: 5a - 6b – 2
(4a - 6b + 3) + (a - 5) lets first group similar terms = (4a + a) -(6b) + (3 - 5) while performing the above operations inside the brackets we get 5a - 6b - 2