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31 May, 14:00

2a-5b; a=-3 and b=9

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  1. 31 May, 14:23
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    2 (-3) - 5 (9) equals - 51.

    First, simplify 2 x (-3) to get - 6. (Make sure to exchange a and b in for the numbers). Your problem should look like: - 6 - 5 x 9.

    Second, simplify 5 x 9 to get 45. Your problem should look like: - 6 - 45.

    Third, simplify. Your problem should look like: - 51, which is the answer.
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