8.What should be added to 3x-y+12 to get xy+5x-2y-45
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8.What should be added to 3x-y+12 to get xy+5x-2y-45
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Answer:
2x-y-57+xy should be added to 3x-y+12 to get xy+5x-2y-45
Step-by-step explanation:
let, the unknown value be a
3x-y+12+a= xy+5x-2y-45
a= xy+5x-2y-45-3x+y-12
a= 2x-y-57+xy
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