please give the answer with full explanation
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Step-by-step explanation:
= -1+(-3/8)+1/2-7/4
= -1+(-3/8)+1/2-7/4= -1-3/8+1/2-7/4
= -1+(-3/8)+1/2-7/4= -1-3/8+1/2-7/4= (1/2)-(1+3/8+7/4)
= -1+(-3/8)+1/2-7/4= -1-3/8+1/2-7/4= (1/2)-(1+3/8+7/4)= (1/2) -(25/8)
= -1+(-3/8)+1/2-7/4= -1-3/8+1/2-7/4= (1/2)-(1+3/8+7/4)= (1/2) -(25/8) = 1/2-25/8
= -21/8
= (1/2)
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