Question

Add 8a + 4b, -7a - 5b​

Answer 1

Answer:

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Step-by-step explanation:

(8a + 4b) + (-7a - 5b)

= (8a - 7a) + (4b - 5b)

= a - b

Answer: (a - b)

Answer 2

꧁༺Answer༻꧂

Adding by horizontal method -

(8a+4b) + ( -7a-5b)

= (8a - 7a) + (-5b+4b)

= 1a - 1b

= a - b

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