What is (7+i)-(-9+i) ?

The solution to (7+i)-(-9+i) is 16

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simplify (7+i)-(-9+i)

simplify

(7 + i) - (- 9 + i)

16

Solution steps

(7 + i) - (- 9 + i)

Group the real part and the imaginary part of the complex number

(a + bi) - (c + d i) = (a - c) + (b - d) i

= (7 - (- 9)) + (1 - 1) i

Simplify

(7 - (- 9)) + (1 - 1) i : 16

= 16

- - 225

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