Question

simplify 6b-8a-4-9+b+2a and find the value of a=4,b=5
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Answer 1

Answer:

6(5) - 8(4) - 4 - 9 + (5) + 2(4)

30 - 32 - 13 + 5 + 8

-2.

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Answer 2

Answer:

$6(5) - 8(4) - 4 - 9 + 5 + 2(4) \\ \\30 - 32 - 4 - 9 + 5 + 8 \\ \\ - 75 + 13 \\ = - 62$