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18 June, 11:40

Simplify the expression by combining like terms. 15+12-5+4-7

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  1. 18 June, 13:23
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    Step-by-step explanation:

    15+12-5+4-7=

    (15+12+4) - 5-7=

    (27+4) - 5-7=

    31-5-7=

    31-12=

    19
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