If A = [8-3] and B = [4-5]; find A + B

If A = `[(8, -3)]` and B = `[(4, -5)]`; find A + B

Sum

A + B = `[(8, -3)] + [(4, -5)]`

= `[(8 + 4, -3 - 5)]`

= `[(12, -8)]`

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