Question

Simplify and Find the value if a = -1, b = -2:
5a-2b-4 - 5b + a + 4​

Answer 1

We have

= 5a - 2b -4 -5b + a + 4

= 5a +a - 2b - 5b -4+4

= 6a -7b

Now, putting the value of a= -1 , b = -2 , we get

= 6 ( -1 ) - 7 ( -2)

= -6 + 14

= 8. (ANSWER)

Answer 2

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